#663D71 Color
#663D71 is rgb(102, 61, 113) in RGB and hsl(287, 30%, 34%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.
#663D71
HEX
#663D71RGB
rgb(102, 61, 113)HSL
hsl(287, 30%, 34%)HSV
hsv(287, 46%, 44%)OKLCH
oklch(43% 0.096 318.9)CMYK
cmyk(10%, 46%, 0%, 56%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #663D71 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text8.5:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.47:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #663D71 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #663D71, useful for hover states, backgrounds, and text variants.