#663781 Color
#663781 is rgb(102, 55, 129) in RGB and hsl(278, 40%, 36%) in HSL. The closest CSS named color is RebeccaPurple. White text is most readable on this background.
#663781
HEX
#663781RGB
rgb(102, 55, 129)HSL
hsl(278, 40%, 36%)HSV
hsv(278, 57%, 51%)OKLCH
oklch(43% 0.126 311.6)CMYK
cmyk(21%, 57%, 0%, 49%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #663781 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text8.65:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.43:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #663781 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #663781, useful for hover states, backgrounds, and text variants.