#510566 Color
#510566 is rgb(81, 5, 102) in RGB and hsl(287, 91%, 21%) in HSL. The closest CSS named color is Indigo. White text is most readable on this background.
#510566
HEX
#510566RGB
rgb(81, 5, 102)HSL
hsl(287, 91%, 21%)HSV
hsv(287, 95%, 40%)OKLCH
oklch(32.5% 0.153 316.7)CMYK
cmyk(21%, 95%, 0%, 60%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #510566 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text13.43:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.56:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #510566 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #510566, useful for hover states, backgrounds, and text variants.