#666AD3
Closest to "slateblue" · rgb(102, 106, 211)
Color codes
Shades & tints
About #666AD3
#666AD3 is a color with red 102, green 106 and blue 211 (on a 0–255 scale). In HSL it sits at a hue of 238°, 55% saturation and 61% lightness. For print, its CMYK breakdown is cmyk(52%, 50%, 0%, 17%). The closest named CSS color is slateblue. 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.