#660000 Color

#660000 is rgb(102, 0, 0) in RGB and hsl(0, 100%, 20%) in HSL. The closest CSS named color is Maroon. White text is most readable on this background.

#660000
HEX#660000
RGBrgb(102, 0, 0)
HSLhsl(0, 100%, 20%)
HSVhsv(0, 100%, 40%)
OKLCHoklch(32% 0.131 29.2)
CMYKcmyk(0%, 100%, 100%, 60%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #660000 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text13.42:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.56:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #660000 based on color wheel relationships. Click any swatch for its full breakdown.

Base#660000Complementary#006666Analogous#660033Analogous#663300Triadic#006600Triadic#000066

Tints & Shades

Lighter tints and darker shades of #660000, useful for hover states, backgrounds, and text variants.

Use #660000 in Our Tools

Hex to RGBHex to HSLHex to CMYKHex to PantoneRGBA to Hex