Generate random dark HSL color (CSS) in JavaScript

getRandomDarkHSLColor.js

const getRandomColor = () => {
    const h = Math.floor(Math.random() * 360),
          s = Math.floor(Math.random() * 100) + '%',
          l = Math.floor(Math.random() * 60) + '%';// max value of l is 100, but I set to 60 cause I want to generate dark colors
                                                   // (use for background with white/light font color)
    return `hsl(${h},${s},${l})`;
};