diff --git a/app/src/main/res/drawable/ic_launcher_background.xml b/app/src/main/res/drawable/ic_launcher_background.xml
index 0b9439cdb..80f1cd1ac 100644
--- a/app/src/main/res/drawable/ic_launcher_background.xml
+++ b/app/src/main/res/drawable/ic_launcher_background.xml
@@ -1,42 +1,23 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- 적응형 아이콘 배경. -->
+<!-- 적응형 아이콘 배경(시안 D · 체크 링, Figma 1552:8). 보이는 영역(72dp)에 걸쳐 그라데이션. -->
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:aapt="http://schemas.android.com/aapt"
     android:width="108dp"
     android:height="108dp"
-    android:viewportWidth="432"
-    android:viewportHeight="432">
-
-    <path android:pathData="M0,0h432v432h-432z">
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M0,0h108v108h-108z">
         <aapt:attr name="android:fillColor">
             <gradient
                 android:type="linear"
-                android:startX="0"
-                android:startY="0"
-                android:endX="432"
-                android:endY="432">
+                android:startX="18"
+                android:startY="18"
+                android:endX="90"
+                android:endY="90">
                 <item android:offset="0" android:color="#FFA585FF" />
                 <item android:offset="0.55" android:color="#FF6C5CE7" />
                 <item android:offset="1" android:color="#FF5646C4" />
             </gradient>
         </aapt:attr>
     </path>
-
-    <group
-        android:pivotX="177.188"
-        android:pivotY="71.719"
-        android:scaleX="1.255315">
-        <path android:pathData="M0,0h432v432h-432z">
-            <aapt:attr name="android:fillColor">
-                <gradient
-                    android:type="radial"
-                    android:centerX="177.188"
-                    android:centerY="71.719"
-                    android:gradientRadius="198.281">
-                    <item android:offset="0" android:color="#38FFFFFF" />
-                    <item android:offset="1" android:color="#00FFFFFF" />
-                </gradient>
-            </aapt:attr>
-        </path>
-    </group>
 </vector>
diff --git a/app/src/main/res/drawable/ic_launcher_foreground.xml b/app/src/main/res/drawable/ic_launcher_foreground.xml
index 65253d3b4..16704ace1 100644
--- a/app/src/main/res/drawable/ic_launcher_foreground.xml
+++ b/app/src/main/res/drawable/ic_launcher_foreground.xml
@@ -1,11 +1,31 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- 적응형 아이콘 전경. -->
+<!-- 적응형 아이콘 전경(시안 D · 체크 링). Figma 의 432 타일이 보이는 영역 72dp 에 오도록 648 뷰포트 가운데에 둔다. -->
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="108dp"
     android:height="108dp"
-    android:viewportWidth="432"
-    android:viewportHeight="432">
-    <path
-        android:fillColor="#FFFFFFFF"
-        android:pathData="M163 282V150H211.37C220.82 150 229.443 151.24 237.239 153.721C245.035 156.201 251.236 160.513 255.843 166.655C260.568 172.679 262.93 181.007 262.93 191.638C262.93 201.914 260.568 210.301 255.843 216.797C251.236 223.294 245.035 228.078 237.239 231.149C229.443 234.102 220.82 235.579 211.37 235.579H194.715V282H163ZM194.715 210.596H208.89C216.45 210.596 222.179 209.001 226.077 205.812C230.093 202.505 232.101 197.78 232.101 191.638C232.101 185.377 230.093 181.066 226.077 178.703C222.179 176.341 216.45 175.16 208.89 175.16H194.715V210.596ZM234.227 282L205.701 227.428L227.14 206.698L269.663 282H234.227Z" />
+    android:viewportWidth="648"
+    android:viewportHeight="648">
+    <group
+        android:translateX="108"
+        android:translateY="108">
+        <path
+            android:pathData="M216,334C281.17,334 334,281.17 334,216C334,150.83 281.17,98 216,98C150.83,98 98,150.83 98,216C98,281.17 150.83,334 216,334Z"
+            android:strokeColor="#FFFFFFFF"
+            android:strokeAlpha="0.25"
+            android:strokeWidth="40" />
+        <path
+            android:pathData="M216,98C239.338,98 262.152,104.921 281.557,117.887C300.962,130.853 316.087,149.282 325.018,170.843C333.949,192.405 336.286,216.131 331.733,239.021C327.18,261.91 315.941,282.936 299.439,299.439C282.936,315.941 261.91,327.18 239.021,331.733C216.131,336.286 192.405,333.949 170.843,325.018C149.282,316.087 130.853,300.962 117.887,281.557C104.921,262.152 98,239.338 98,216"
+            android:strokeColor="#FFFFFFFF"
+            android:strokeLineCap="round"
+            android:strokeWidth="40" />
+        <path
+            android:fillColor="#FFFFB547"
+            android:pathData="M98,236C109.046,236 118,227.046 118,216C118,204.954 109.046,196 98,196C86.954,196 78,204.954 78,216C78,227.046 86.954,236 98,236Z" />
+        <path
+            android:pathData="M170,218L204,252L266,186"
+            android:strokeColor="#FFFFFFFF"
+            android:strokeLineCap="round"
+            android:strokeLineJoin="round"
+            android:strokeWidth="34" />
+    </group>
 </vector>
diff --git a/app/src/main/res/drawable/ic_launcher_monochrome.xml b/app/src/main/res/drawable/ic_launcher_monochrome.xml
index 57c5b21dc..dcba94569 100644
--- a/app/src/main/res/drawable/ic_launcher_monochrome.xml
+++ b/app/src/main/res/drawable/ic_launcher_monochrome.xml
@@ -1,11 +1,31 @@
 <?xml version="1.0" encoding="utf-8"?>
-<!-- Android 13+ 테마 아이콘. -->
+<!-- 테마 아이콘(단색). 시스템이 색을 입히므로 모양과 투명도만 쓴다. -->
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
     android:width="108dp"
     android:height="108dp"
-    android:viewportWidth="432"
-    android:viewportHeight="432">
-    <path
-        android:fillColor="#FFFFFFFF"
-        android:pathData="M163 282V150H211.37C220.82 150 229.443 151.24 237.239 153.721C245.035 156.201 251.236 160.513 255.843 166.655C260.568 172.679 262.93 181.007 262.93 191.638C262.93 201.914 260.568 210.301 255.843 216.797C251.236 223.294 245.035 228.078 237.239 231.149C229.443 234.102 220.82 235.579 211.37 235.579H194.715V282H163ZM194.715 210.596H208.89C216.45 210.596 222.179 209.001 226.077 205.812C230.093 202.505 232.101 197.78 232.101 191.638C232.101 185.377 230.093 181.066 226.077 178.703C222.179 176.341 216.45 175.16 208.89 175.16H194.715V210.596ZM234.227 282L205.701 227.428L227.14 206.698L269.663 282H234.227Z" />
+    android:viewportWidth="648"
+    android:viewportHeight="648">
+    <group
+        android:translateX="108"
+        android:translateY="108">
+        <path
+            android:pathData="M216,334C281.17,334 334,281.17 334,216C334,150.83 281.17,98 216,98C150.83,98 98,150.83 98,216C98,281.17 150.83,334 216,334Z"
+            android:strokeColor="#FF000000"
+            android:strokeAlpha="0.25"
+            android:strokeWidth="40" />
+        <path
+            android:pathData="M216,98C239.338,98 262.152,104.921 281.557,117.887C300.962,130.853 316.087,149.282 325.018,170.843C333.949,192.405 336.286,216.131 331.733,239.021C327.18,261.91 315.941,282.936 299.439,299.439C282.936,315.941 261.91,327.18 239.021,331.733C216.131,336.286 192.405,333.949 170.843,325.018C149.282,316.087 130.853,300.962 117.887,281.557C104.921,262.152 98,239.338 98,216"
+            android:strokeColor="#FF000000"
+            android:strokeLineCap="round"
+            android:strokeWidth="40" />
+        <path
+            android:fillColor="#FF000000"
+            android:pathData="M98,236C109.046,236 118,227.046 118,216C118,204.954 109.046,196 98,196C86.954,196 78,204.954 78,216C78,227.046 86.954,236 98,236Z" />
+        <path
+            android:pathData="M170,218L204,252L266,186"
+            android:strokeColor="#FF000000"
+            android:strokeLineCap="round"
+            android:strokeLineJoin="round"
+            android:strokeWidth="34" />
+    </group>
 </vector>
diff --git a/core/designsystem/src/main/res/drawable/ic_ruleup_mark.xml b/core/designsystem/src/main/res/drawable/ic_ruleup_mark.xml
new file mode 100644
index 000000000..5367107d0
--- /dev/null
+++ b/core/designsystem/src/main/res/drawable/ic_ruleup_mark.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- 브랜드 마크(시안 D · 체크 링) 흰 바탕용 — 스플래시 로고 타일. 뷰포트는 마크 외곽(78~354)에 맞췄다. -->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="80dp"
+    android:height="80dp"
+    android:viewportWidth="276"
+    android:viewportHeight="276">
+    <group
+        android:translateX="-78"
+        android:translateY="-78">
+        <path
+            android:pathData="M216,334C281.17,334 334,281.17 334,216C334,150.83 281.17,98 216,98C150.83,98 98,150.83 98,216C98,281.17 150.83,334 216,334Z"
+            android:strokeColor="#FF6C5CE7"
+            android:strokeAlpha="0.2"
+            android:strokeWidth="40" />
+        <path
+            android:pathData="M216,98C239.338,98 262.152,104.921 281.557,117.887C300.962,130.853 316.087,149.282 325.018,170.843C333.949,192.405 336.286,216.131 331.733,239.021C327.18,261.91 315.941,282.936 299.439,299.439C282.936,315.941 261.91,327.18 239.021,331.733C216.131,336.286 192.405,333.949 170.843,325.018C149.282,316.087 130.853,300.962 117.887,281.557C104.921,262.152 98,239.338 98,216"
+            android:strokeColor="#FF6C5CE7"
+            android:strokeLineCap="round"
+            android:strokeWidth="40" />
+        <path
+            android:fillColor="#FFFFB547"
+            android:pathData="M98,236C109.046,236 118,227.046 118,216C118,204.954 109.046,196 98,196C86.954,196 78,204.954 78,216C78,227.046 86.954,236 98,236Z" />
+        <path
+            android:pathData="M170,218L204,252L266,186"
+            android:strokeColor="#FF6C5CE7"
+            android:strokeLineCap="round"
+            android:strokeLineJoin="round"
+            android:strokeWidth="34" />
+    </group>
+</vector>
diff --git a/onboarding/presentation/src/main/kotlin/com/ruleup/onboarding/presentation/splash/SplashScreen.kt b/onboarding/presentation/src/main/kotlin/com/ruleup/onboarding/presentation/splash/SplashScreen.kt
index c4623b41b..6dabdae8e 100644
--- a/onboarding/presentation/src/main/kotlin/com/ruleup/onboarding/presentation/splash/SplashScreen.kt
+++ b/onboarding/presentation/src/main/kotlin/com/ruleup/onboarding/presentation/splash/SplashScreen.kt
@@ -3,6 +3,7 @@ package com.ruleup.onboarding.presentation.splash
 import android.content.ActivityNotFoundException
 import android.content.Context
 import android.content.Intent
+import androidx.compose.foundation.Image
 import androidx.compose.foundation.background
 import androidx.compose.foundation.border
 import androidx.compose.foundation.layout.Arrangement
@@ -10,7 +11,6 @@ import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.shape.RoundedCornerShape
@@ -25,6 +25,7 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.res.painterResource
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
@@ -83,19 +84,17 @@ private fun SplashContent(
             Box(
                 modifier =
                     Modifier
-                        .height(120.dp)
+                        .size(120.dp)
                         .clip(RoundedCornerShape(32.dp))
                         .background(Color.White)
-                        .border(2.dp, Color.White.copy(alpha = 0.3f), RoundedCornerShape(32.dp))
-                        .padding(horizontal = 16.dp),
+                        .border(2.dp, Color.White.copy(alpha = 0.3f), RoundedCornerShape(32.dp)),
                 contentAlignment = Alignment.Center,
             ) {
-                Text(
-                    text = "R",
-                    color = RuleUpTheme.colors.brand,
-                    // 로고 글자.
-                    fontSize = 64.sp,
-                    fontWeight = FontWeight.Bold,
+                // 앱 아이콘과 같은 체크 링(시안 D).
+                Image(
+                    painter = painterResource(com.ruleup.designsystem.R.drawable.ic_ruleup_mark),
+                    contentDescription = "RuleUp",
+                    modifier = Modifier.size(80.dp),
                 )
             }