res/drawable/ic_launcher_background.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
     SPDX-FileCopyrightText: 2022 The LineageOS Project
     SPDX-License-Identifier: Apache-2.0
-->
<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="108dp"
    android:height="108dp"
    android:viewportWidth="108"
    android:viewportHeight="108">
  <group>
    <clip-path
        android:pathData="M0,0h108v108h-108z"/>
    <path
        android:pathData="M0,0h108v108h-108z"
        android:fillColor="#CBDEFB"/>
    <path
        android:pathData="M15,108L78,45L141,108H15Z"
        android:fillColor="#00354A"/>
    <path
        android:pathData="M-18,108L45,45L108,108H-18Z"
        android:fillColor="#0092E4"/>
    <path
        android:pathData="M61,13L45,29L61,45L77,29L61,13Z"
        android:fillColor="#F09F38"/>
  </group>
</vector>