#640188 Color
#640188 is rgb(100, 1, 136) in RGB and hsl(284, 99%, 27%) in HSL. The closest CSS named color is Indigo. White text is most readable on this background.
#640188
HEX
#640188RGB
rgb(100, 1, 136)HSL
hsl(284, 99%, 27%)HSV
hsv(284, 99%, 53%)OKLCH
oklch(38.2% 0.19 312.8)CMYK
cmyk(26%, 99%, 0%, 47%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #640188 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text11.04:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.9:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #640188 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #640188, useful for hover states, backgrounds, and text variants.