Play Button

<svg
    xmlns="http://www.w3.org/2000/svg"
    width="512"
    height="512"
    viewBox="0 0 64 64"
>
    <linearGradient
        id="a"
        x1="57.7"
        x2="6.83"
        y1="3.44"
        y2="59.98"
        gradientUnits="userSpaceOnUse"
    >
        <stop offset="0" stop-color="#00f" />
        <stop offset="1" stop-color="#39b54a" />
    </linearGradient>
    <linearGradient
        id="b"
        x1="56.15"
        x2="5.29"
        y1="2.05"
        y2="58.59"
        href="#a"
    />
    <path
        fill="url(#a)"
        d="M32 64a32 32 0 1 1 32-32 32 32 0 0 1-32 32zm0-62a30 30 0 1 0 30 30A30 30 0 0 0 32 2z"
    />
    <path
        fill="url(#a)"
        d="M32 60a28 28 0 1 1 28-28 28 28 0 0 1-28 28zm0-54a26 26 0 1 0 26 26A26 26 0 0 0 32 6z"
    />
    <path
        fill="url(#b)"
        d="M22 50.32a1 1 0 0 1-.5-.13 1 1 0 0 1-.5-.87V14.68a1 1 0 0 1 .5-.87 1 1 0 0 1 1 0l30 17.32a1 1 0 0 1 0 1.74l-30 17.32a1 1 0 0 1-.5.13zm1-33.91v31.18L50 32z"
    />
</svg>