#666F99
Closest to "slategray" · rgb(102, 111, 153)
Color codes
Shades & tints
About #666F99
#666F99 is a color with red 102, green 111 and blue 153 (on a 0–255 scale). In HSL it sits at a hue of 229°, 20% saturation and 50% lightness. For print, its CMYK breakdown is cmyk(33%, 27%, 0%, 40%). The closest named CSS color is slategray. 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.