#663681 Color
#663681 is rgb(102, 54, 129) in RGB and hsl(278, 41%, 36%) in HSL. The closest CSS named color is RebeccaPurple. White text is most readable on this background.
#663681
HEX
#663681RGB
rgb(102, 54, 129)HSL
hsl(278, 41%, 36%)HSV
hsv(278, 58%, 51%)OKLCH
oklch(42.8% 0.128 311.7)CMYK
cmyk(21%, 58%, 0%, 49%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #663681 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text8.72:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.41:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #663681 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #663681, useful for hover states, backgrounds, and text variants.