#5166DD
Closest to "royalblue" · rgb(81, 102, 221)
Color codes
Shades & tints
About #5166DD
#5166DD is a color with red 81, green 102 and blue 221 (on a 0–255 scale). In HSL it sits at a hue of 231°, 67% saturation and 59% lightness. For print, its CMYK breakdown is cmyk(63%, 54%, 0%, 13%). The closest named CSS color is royalblue. Use the swatches above to step through lighter tints and darker shades — each opens its own page with full codes you can copy in one click.