#3F51D8
Closest to "royalblue" · rgb(63, 81, 216)
Color codes
Shades & tints
About #3F51D8
#3F51D8 is a color with red 63, green 81 and blue 216 (on a 0–255 scale). In HSL it sits at a hue of 233°, 66% saturation and 55% lightness. For print, its CMYK breakdown is cmyk(71%, 63%, 0%, 15%). 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.