#155BF3
Closest to "royalblue" · rgb(21, 91, 243)
Color codes
Shades & tints
About #155BF3
#155BF3 is a color with red 21, green 91 and blue 243 (on a 0–255 scale). In HSL it sits at a hue of 221°, 90% saturation and 52% lightness. For print, its CMYK breakdown is cmyk(91%, 63%, 0%, 5%). 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.