<?xml version="1.0" encoding="UTF-8"?>
<svg width="32" height="32" viewBox="0 0 32 32" xmlns="http://www.w3.org/2000/svg">
  <rect width="32" height="32" fill="#5f9ea0" rx="4"/>
  <text x="50%" y="50%" dominant-baseline="middle" text-anchor="middle" 
        font-family="Arial, sans-serif" font-size="16" font-weight="bold" fill="#b3daff">
    DO
  </text>
</svg>