#664C6B Color

#664C6B is rgb(102, 76, 107) in RGB and hsl(290, 17%, 36%) in HSL. The closest CSS named color is DimGray. White text is most readable on this background.

#664C6B

HEX#664C6B

RGBrgb(102, 76, 107)

HSLhsl(290, 17%, 36%)

HSVhsv(290, 29%, 42%)

OKLCHoklch(45.6% 0.059 320.9)

CMYKcmyk(5%, 29%, 0%, 58%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #664C6B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text7.47:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.81:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #664C6B based on color wheel relationships. Click any swatch for its full breakdown.

Base#664C6B Complementary#516B4C Analogous#574C6B Analogous#6B4C61 Triadic#6B664C Triadic#4C6B66

Tints & Shades

Lighter tints and darker shades of #664C6B, useful for hover states, backgrounds, and text variants.

Tints

#805F86 #97769E #AB91B1 #BDA8C2 #D2C3D5 #E6DEE8

Shades

#58425C #4D3951 #3E2F42 #332636 #251C27 #1A131B

Use #664C6B in Our Tools

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