#510D91 Color
#510D91 is rgb(81, 13, 145) in RGB and hsl(271, 84%, 31%) in HSL. The closest CSS named color is Indigo. White text is most readable on this background.
#510D91
HEX
#510D91RGB
rgb(81, 13, 145)HSL
hsl(271, 84%, 31%)HSV
hsv(271, 91%, 57%)OKLCH
oklch(36.9% 0.187 299.2)CMYK
cmyk(44%, 91%, 0%, 43%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #510D91 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text11.56:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.82:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #510D91 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #510D91, useful for hover states, backgrounds, and text variants.