Niobium

<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="#ffbef9" />
        <stop offset="1" stop-color="#fff1ff" />
    </linearGradient>
    <linearGradient
        id="b"
        x1="256"
        x2="256"
        y1="407"
        y2="105"
        gradientUnits="userSpaceOnUse"
    >
        <stop offset="0" stop-color="#ff81ff" />
        <stop offset="1" stop-color="#a93aff" />
    </linearGradient>
    <circle cx="256" cy="256" r="256" fill="url(#a)" />
    <path
        fill="url(#b)"
        d="M362.4 105H149.6c-14.668 0-26.6 11.953-26.6 26.647v248.706C123 395.047 134.932 407 149.6 407h212.8c14.668 0 26.6-11.953 26.6-26.647V131.647C389 116.953 377.068 105 362.4 105zm-86.069 55.896 17.733-17.765c2.546-2.55 6.373-3.313 9.663-1.926a8.886 8.886 0 0 1 5.472 8.206v71.059c0 4.909-3.966 8.882-8.867 8.882s-8.867-3.973-8.867-8.882v-49.616l-2.598 2.602c-3.464 3.47-9.074 3.47-12.538 0s-3.462-9.09.002-12.56zm-29.198 201.692c0 4.111-2.823 7.703-6.823 8.639-3.785.948-8.068-.845-9.975-4.667l-36.402-72.933v68.96c0 4.91-3.966 8.882-8.867 8.882s-8.867-3.973-8.867-8.882V256c0-4.111 2.823-7.703 6.823-8.64 4.087-1.006 8.139.989 9.975 4.667l36.402 72.932V256c0-4.91 3.966-8.882 8.867-8.882s8.867 3.973 8.867 8.882zM256 220.471c0 4.909-3.966 8.882-8.867 8.882s-8.867-3.973-8.867-8.882v-26.647h-26.6c-4.901 0-8.867-3.973-8.867-8.882v-35.53c0-4.909 3.966-8.882 8.867-8.882s8.867 3.973 8.867 8.882v26.647h17.733v-26.647c0-4.909 3.966-8.882 8.867-8.882s8.867 3.973 8.867 8.882zm44.333 151c-6.791 0-13.079-2.019-18.478-5.35-1.364 3.145-4.478 5.35-8.122 5.35-4.901 0-8.867-3.973-8.867-8.882v-88.824c0-4.91 3.966-8.882 8.867-8.882s8.867 3.973 8.867 8.882v31.591c5.239-3.062 11.246-4.944 17.733-4.944 19.552 0 35.467 15.943 35.467 35.53 0 19.585-15.915 35.529-35.467 35.529zm0-53.295c-9.784 0-17.733 7.963-17.733 17.765s7.949 17.765 17.733 17.765c9.785 0 17.733-7.963 17.733-17.765.001-9.802-7.948-17.765-17.733-17.765z"
    />
</svg>