#510557 Color
#510557 is rgb(81, 5, 87) in RGB and hsl(296, 89%, 18%) in HSL. The closest CSS named color is Indigo. White text is most readable on this background.
#510557
HEX
#510557RGB
rgb(81, 5, 87)HSL
hsl(296, 89%, 18%)HSV
hsv(296, 94%, 34%)OKLCH
oklch(31.3% 0.14 324.7)CMYK
cmyk(7%, 94%, 0%, 66%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #510557 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text13.91:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.51:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #510557 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #510557, useful for hover states, backgrounds, and text variants.