#666F8F Color

#666F8F is rgb(102, 111, 143) in RGB and hsl(227, 17%, 48%) in HSL. The closest CSS named color is SlateGray. White text is most readable on this background.

#666F8F

HEX#666F8F

RGBrgb(102, 111, 143)

HSLhsl(227, 17%, 48%)

HSVhsv(227, 29%, 56%)

OKLCHoklch(54.6% 0.051 272.4)

CMYKcmyk(29%, 22%, 0%, 44%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #666F8F background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text4.96:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text4.24:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #666F8F based on color wheel relationships. Click any swatch for its full breakdown.

Base#666F8F Complementary#8F8666 Analogous#66838F Analogous#71668F Triadic#8F666F Triadic#6F8F66

Tints & Shades

Lighter tints and darker shades of #666F8F, useful for hover states, backgrounds, and text variants.

Tints

#7981A0 #8E95AF #A3A8BD #BABFCE #CFD2DD #E4E6EC

Shades

#59617D #4A5168 #3D4357 #313545 #242733 #15171E

Use #666F8F in Our Tools

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