#0166CB
Closest to "royalblue" · rgb(1, 102, 203)
Color codes
Shades & tints
About #0166CB
#0166CB is a color with red 1, green 102 and blue 203 (on a 0–255 scale). In HSL it sits at a hue of 210°, 99% saturation and 40% lightness. For print, its CMYK breakdown is cmyk(100%, 50%, 0%, 20%). 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.