#666EE4
Closest to "mediumslateblue" · rgb(102, 110, 228)
Color codes
Shades & tints
About #666EE4
#666EE4 is a color with red 102, green 110 and blue 228 (on a 0–255 scale). In HSL it sits at a hue of 236°, 70% saturation and 65% lightness. For print, its CMYK breakdown is cmyk(55%, 52%, 0%, 11%). The closest named CSS color is mediumslateblue. 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.