Vector

<svg
    xmlns="http://www.w3.org/2000/svg"
    width="512"
    height="512"
    viewBox="0 0 512 512"
>
    <linearGradient
        id="a"
        x1="256"
        x2="256"
        y1="512"
        y2="0"
        gradientUnits="userSpaceOnUse"
    >
        <stop offset="0" stop-color="#addcff" />
        <stop offset=".503" stop-color="#eaf6ff" />
        <stop offset="1" stop-color="#eaf6ff" />
    </linearGradient>
    <linearGradient
        id="b"
        x1="132.741"
        x2="311.276"
        y1="379.259"
        y2="200.724"
        gradientUnits="userSpaceOnUse"
    >
        <stop offset="0" stop-color="#00c0ff" />
        <stop offset="1" stop-color="#5558ff" />
    </linearGradient>
    <circle cx="256" cy="256" r="256" fill="url(#a)" />
    <path
        fill="url(#b)"
        d="M399.206 288.662c-8.151-8.165-20.247-9.676-30.132-5.012l-51.515-51.522 6.282-6.278a8.876 8.876 0 0 0 0-12.561l-25.139-25.122a8.88 8.88 0 0 0-12.561 0l-6.28 6.281-51.514-51.522c4.667-9.887 3.156-21.965-5.01-30.131-10.375-10.392-27.307-10.392-37.682 0-10.392 10.392-10.392 27.29 0 37.683 7.293 7.305 18.654 10.418 30.13 5.009l23.769 23.772c-30.747-7.964-61.681-2.686-84.641 15.85l-6.941-6.941a8.88 8.88 0 0 0-12.561 0l-25.139 25.122a8.88 8.88 0 0 0 0 12.561l25.139 25.121c1.735 1.735 4.008 2.603 6.28 2.603s4.545-.867 6.28-2.603l25.122-25.121a8.88 8.88 0 0 0 0-12.561l-5.596-5.596c25.916-19.719 64.21-19.063 97.451 1.667l-3.929 3.929a8.88 8.88 0 0 0 0 12.561l25.121 25.121c1.735 1.735 4.008 2.603 6.281 2.603s4.545-.867 6.28-2.603l3.936-3.933c20.746 33.238 21.387 71.561 1.671 97.478l-5.607-5.603a8.88 8.88 0 0 0-12.561 0l-25.121 25.122a8.88 8.88 0 0 0 0 12.561l25.121 25.122c1.735 1.735 4.008 2.602 6.281 2.602s4.545-.867 6.28-2.602l25.139-25.122a8.876 8.876 0 0 0 0-12.56l-6.945-6.941c18.523-22.962 23.807-53.898 15.853-84.649l23.765 23.767c-4.667 9.887-3.156 21.966 5.01 30.132 10.362 10.379 27.307 10.392 37.682 0 10.393-10.394 10.393-27.292.001-37.684zm-291.604 52.897a8.88 8.88 0 0 0 0 12.561l50.278 50.277a8.88 8.88 0 0 0 12.561 0l18.827-18.827-62.841-62.836zm78.054-15.215a8.88 8.88 0 0 1 0-12.561l59.545-59.545-92.821 19.539a8.906 8.906 0 0 0-6.489 5.543l-10.368 27.389 69.77 69.765 27.379-10.374a8.885 8.885 0 0 0 5.552-6.48l19.528-92.81-59.534 59.535a8.882 8.882 0 0 1-12.562-.001z"
    />
</svg>