#643091 Color
#643091 is rgb(100, 48, 145) in RGB and hsl(272, 50%, 38%) in HSL. The closest CSS named color is RebeccaPurple. White text is most readable on this background.
#643091
HEX
#643091RGB
rgb(100, 48, 145)HSL
hsl(272, 50%, 38%)HSV
hsv(272, 67%, 57%)OKLCH
oklch(42.8% 0.155 305.4)CMYK
cmyk(31%, 67%, 0%, 43%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #643091 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text8.85:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.37:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #643091 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #643091, useful for hover states, backgrounds, and text variants.