#510057 Color
#510057 is rgb(81, 0, 87) in RGB and hsl(296, 100%, 17%) in HSL. The closest CSS named color is Indigo. White text is most readable on this background.
#510057
HEX
#510057RGB
rgb(81, 0, 87)HSL
hsl(296, 100%, 17%)HSV
hsv(296, 100%, 34%)OKLCH
oklch(31% 0.145 324.9)CMYK
cmyk(7%, 100%, 0%, 66%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #510057 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text14.12:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.49:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #510057 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #510057, useful for hover states, backgrounds, and text variants.