#3F66D9
Closest to "royalblue" · rgb(63, 102, 217)
Color codes
Shades & tints
About #3F66D9
#3F66D9 is a color with red 63, green 102 and blue 217 (on a 0–255 scale). In HSL it sits at a hue of 225°, 67% saturation and 55% lightness. For print, its CMYK breakdown is cmyk(71%, 53%, 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.