#640566 Color
#640566 is rgb(100, 5, 102) in RGB and hsl(299, 91%, 21%) in HSL. The closest CSS named color is Indigo. White text is most readable on this background.
#640566
HEX
#640566RGB
rgb(100, 5, 102)HSL
hsl(299, 91%, 21%)HSV
hsv(299, 95%, 40%)OKLCH
oklch(35.7% 0.16 327.3)CMYK
cmyk(2%, 95%, 0%, 60%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #640566 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text11.96:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.76:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #640566 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #640566, useful for hover states, backgrounds, and text variants.