Osmium

<svg
    xmlns="http://www.w3.org/2000/svg"
    width="512"
    height="512"
    viewBox="0 0 512 512"
>
    <path fill="#00cdf4" d="M10 10h492v492H10z" />
    <path
        fill="#66e1f8"
        d="M418.777 458H93.223C71.561 458 54 440.439 54 418.777V93.223C54 71.561 71.561 54 93.223 54h325.553C440.439 54 458 71.561 458 93.223v325.553C458 440.439 440.439 458 418.777 458z"
    />
    <path
        d="M418.776 468C445.918 468 468 445.918 468 418.776V93.224C468 66.082 445.918 44 418.776 44H93.224C66.082 44 44 66.082 44 93.224v325.553C44 445.918 66.082 468 93.224 468zM64 418.776V93.224C64 77.109 77.109 64 93.224 64h325.553C434.891 64 448 77.109 448 93.224v325.553C448 434.891 434.891 448 418.776 448H93.224C77.109 448 64 434.891 64 418.776z"
    />
    <path
        d="M299.975 194.272c18.472 0 33.5-15.028 33.5-33.501s-15.028-33.501-33.5-33.501c-.641 0-1.277.022-1.91.058 6.516-9.945 13.334-15.267 13.577-15.454 4.403-3.303 5.311-9.547 2.022-13.967-3.295-4.433-9.561-5.354-13.991-2.056-1.151.856-28.071 21.297-32.781 59.651a33.646 33.646 0 0 0-.418 5.268c0 18.474 15.028 33.502 33.501 33.502zm0-47.001c7.444 0 13.5 6.057 13.5 13.501s-6.056 13.501-13.5 13.501-13.501-6.057-13.501-13.501 6.056-13.501 13.501-13.501zM188.525 114.074h28.69l-29.002 65.976c-2.223 5.056.074 10.956 5.13 13.179a9.963 9.963 0 0 0 4.02.849 10.002 10.002 0 0 0 9.159-5.979l35.167-80a10 10 0 0 0-9.154-14.024h-44.01c-5.522 0-10 4.478-10 10s4.478 9.999 10 9.999zM208.19 396c47.421 0 86-38.579 86-86s-38.579-86-86-86-86 38.579-86 86 38.58 86 86 86zm0-152c36.393 0 66 29.607 66 66s-29.607 66-66 66-66-29.607-66-66 29.608-66 66-66zM318.972 315.468c-1.507 10.498 3.043 20.595 11.873 26.352.441.288.905.54 1.387.755.497.223 12.339 5.494 25.675 10.413 3.959 1.46 13.031 5.609 11.786 12.584-.915 5.127-7.078 10.429-15.806 10.429-8.775 0-17.229-3.546-22.61-9.485-3.711-4.092-10.033-4.401-14.125-.694-4.093 3.709-4.403 10.033-.695 14.125 9.11 10.051 23.103 16.053 37.43 16.053 17.782 0 32.71-11.318 35.494-26.913 2.09-11.705-3.263-27.011-24.553-34.863-10.71-3.951-20.672-8.257-23.592-9.536-2.734-2.129-2.646-5.134-2.468-6.378.239-1.666 1.438-5.736 7.392-7.529 12.562-3.784 24.136 5.396 24.417 5.623 4.226 3.509 10.499 2.949 14.041-1.261 3.554-4.228 3.007-10.536-1.221-14.09-.802-.673-19.864-16.396-43.007-9.423-11.603 3.496-19.81 12.63-21.418 23.838z"
    />
    <path
        d="M502 0H10C4.478 0 0 4.477 0 10v201c0 5.523 4.478 10 10 10s10-4.477 10-10V20h472v472H20V301c0-5.523-4.478-10-10-10s-10 4.477-10 10v201c0 5.523 4.478 10 10 10h492c5.522 0 10-4.477 10-10V10c0-5.523-4.478-10-10-10z"
    />
    <circle cx="10" cy="256" r="10" />
</svg>