<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64">
  <rect width="64" height="64" rx="10" fill="#0a0a0c"></rect>
  <text x="50%" y="50%" text-anchor="middle" dominant-baseline="central" fill="#ffffff" font-family="Outfit, &#39;Helvetica Neue&#39;, Arial, sans-serif" font-weight="600" font-size="30" letter-spacing="1.2">JF</text>
</svg>