#631B8D Color
#631B8D is rgb(99, 27, 141) in RGB and hsl(278, 68%, 33%) in HSL. The closest CSS named color is RebeccaPurple. White text is most readable on this background.
#631B8D
HEX
#631B8DRGB
rgb(99, 27, 141)HSL
hsl(278, 68%, 33%)HSV
hsv(278, 81%, 55%)OKLCH
oklch(40% 0.176 309)CMYK
cmyk(30%, 81%, 0%, 45%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #631B8D background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text10.14:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.07:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #631B8D based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #631B8D, useful for hover states, backgrounds, and text variants.