#645BB5
Closest to "slateblue" · rgb(100, 91, 181)
Color codes
Shades & tints
About #645BB5
#645BB5 is a color with red 100, green 91 and blue 181 (on a 0–255 scale). In HSL it sits at a hue of 246°, 38% saturation and 53% lightness. For print, its CMYK breakdown is cmyk(45%, 50%, 0%, 29%). 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.