#664B81 Color

#664B81 is rgb(102, 75, 129) in RGB and hsl(270, 26%, 40%) in HSL. The closest CSS named color is RebeccaPurple. White text is most readable on this background.

#664B81

HEX#664B81

RGBrgb(102, 75, 129)

HSLhsl(270, 26%, 40%)

HSVhsv(270, 42%, 51%)

OKLCHoklch(46.5% 0.09 306.2)

CMYKcmyk(21%, 42%, 0%, 49%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #664B81 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text7.27:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.89:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #664B81 based on color wheel relationships. Click any swatch for its full breakdown.

Base#664B81 Complementary#66814B Analogous#4B4B81 Analogous#814B81 Triadic#81664B Triadic#4B8166

Tints & Shades

Lighter tints and darker shades of #664B81, useful for hover states, backgrounds, and text variants.

Tints

#7A5B9A #9175AE #A68FBD #BAA8CC #CFC2DB #E6DFEC

Shades

#594270 #4C3960 #402F50 #30243D #241A2D #17111D

Use #664B81 in Our Tools

Hex to RGB Hex to HSL Hex to CMYK Hex to Pantone RGBA to Hex