Convert RGB to HEX ( Javascript Function )

Here this is a simple javascript function for you that will help you to convert RGB colour code to HEX try this out.

//Function to convert hex format to a RGB color
function rgb2hex(rgb) {
  var hexDigits = ["0","1","2","3","4","5","6","7","8","9","a","b","c","d","e","f"];
  rgb = rgb.match(/^rgb\((\d+),\s*(\d+),\s*(\d+)\)$/);
  function hex(x) {
    return isNaN(x) ? "00" : hexDigits[(x - x % 16) / 16] + hexDigits[x % 16];
  }
  return "#" + hex(rgb[1]) + hex(rgb[2]) + hex(rgb[3]);
}

you can use this function as:

rgb2hex("rgb(244, 244, 244)");

That's it use it and have fun.