#643DE3
Closest to "slateblue" · rgb(100, 61, 227)
Color codes
Shades & tints
About #643DE3
#643DE3 is a color with red 100, green 61 and blue 227 (on a 0–255 scale). In HSL it sits at a hue of 254°, 75% saturation and 56% lightness. For print, its CMYK breakdown is cmyk(56%, 73%, 0%, 11%). 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.