In a RGB color space, hex #810521 is composed of 50.6% red, 2% green and 12.9% blue. Whereas in a CMYK color space, it is composed of 0% cyan, 96.1% magenta, 74.4% yellow and 49.4% black. It has a hue angle of 346.5 degrees, a saturation of 92.5% and a lightness of 26.3%. #810521 color hex could be obtained by blending #ff0a42 with #030000. Closest websafe color is: #990033.