#640A8A Color

#640A8A is rgb(100, 10, 138) in RGB and hsl(282, 86%, 29%) in HSL. The closest CSS named color is Indigo. White text is most readable on this background.

#640A8A
HEX#640A8A
RGBrgb(100, 10, 138)
HSLhsl(282, 86%, 29%)
HSVhsv(282, 93%, 54%)
OKLCHoklch(38.8% 0.186 311.6)
CMYKcmyk(28%, 93%, 0%, 46%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #640A8A background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text10.76:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.95:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #640A8A based on color wheel relationships. Click any swatch for its full breakdown.

Base#640A8AComplementary#318A0AAnalogous#240A8AAnalogous#8A0A70Triadic#8A630ATriadic#0A8A63

Tints & Shades

Lighter tints and darker shades of #640A8A, useful for hover states, backgrounds, and text variants.

Use #640A8A in Our Tools

Hex to RGBHex to HSLHex to CMYKHex to PantoneRGBA to Hex