hexToRgb.js

/**
 * Convert #1a2b3c to { r: 26, g: 43, b: 60 }
 * @param {string} hex
 * @returns {*}
 * @see https://stackoverflow.com/a/5624139
 */
function hexToRgb(hex) {
    const result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);

    return result ? {
        r: parseInt(result[1], 16),
        g: parseInt(result[2], 16),
        b: parseInt(result[3], 16),
    } : null;
}