<?xml version="1.0" encoding="UTF-8"?>
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64">
  <circle cx="32" cy="32" r="30" fill="#1F4E79"/>
  <text x="32" y="44" font-size="36" font-family="Arial, sans-serif" font-weight="700" text-anchor="middle" fill="#ffffff">C</text>
</svg>