#668A8A Color

#668A8A is rgb(102, 138, 138) in RGB and hsl(180, 15%, 47%) in HSL. The closest CSS named color is SlateGray. Black text is most readable on this background.

#668A8A

HEX#668A8A

RGBrgb(102, 138, 138)

HSLhsl(180, 15%, 47%)

HSVhsv(180, 26%, 54%)

OKLCHoklch(60.7% 0.04 196.1)

CMYKcmyk(26%, 0%, 0%, 46%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #668A8A background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text3.77:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text5.57:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #668A8A based on color wheel relationships. Click any swatch for its full breakdown.

Base#668A8A Complementary#8A6666 Analogous#668A78 Analogous#66788A Triadic#8A668A Triadic#8A8A66

Tints & Shades

Lighter tints and darker shades of #668A8A, useful for hover states, backgrounds, and text variants.

Tints

#789B9B #90ADAD #A4BCBC #B9CBCB #CDDADA #E5EBEB

Shades

#597878 #4C6767 #3F5555 #304141 #232F2F #161D1D

Use #668A8A in Our Tools

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