#3F21FF
Closest to "blue" · rgb(63, 33, 255)
Color codes
Shades & tints
About #3F21FF
#3F21FF is a color with red 63, green 33 and blue 255 (on a 0–255 scale). In HSL it sits at a hue of 248°, 100% saturation and 56% lightness. For print, its CMYK breakdown is cmyk(75%, 87%, 0%, 0%). The closest named CSS color is blue. 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.