#645BC6
Closest to "slateblue" · rgb(100, 91, 198)
Color codes
Shades & tints
About #645BC6
#645BC6 is a color with red 100, green 91 and blue 198 (on a 0–255 scale). In HSL it sits at a hue of 245°, 48% saturation and 57% lightness. For print, its CMYK breakdown is cmyk(49%, 54%, 0%, 22%). 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.