#668A99 Color

#668A99 is rgb(102, 138, 153) in RGB and hsl(198, 20%, 50%) in HSL. The closest CSS named color is SlateGray. Black text is most readable on this background.

#668A99

HEX#668A99

RGBrgb(102, 138, 153)

HSLhsl(198, 20%, 50%)

HSVhsv(198, 33%, 60%)

OKLCHoklch(61.2% 0.046 225.5)

CMYKcmyk(33%, 10%, 0%, 40%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #668A99 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text3.71:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text5.66:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #668A99 based on color wheel relationships. Click any swatch for its full breakdown.

Base#668A99 Complementary#997566 Analogous#66998F Analogous#667099 Triadic#99668A Triadic#8A9966

Tints & Shades

Lighter tints and darker shades of #668A99, useful for hover states, backgrounds, and text variants.

Tints

#7B9AA7 #91ABB6 #A6BBC4 #B9C9D0 #CED9DE #E3EAED

Shades

#587684 #4B6671 #3D535C #314249 #232F34 #161E22

Use #668A99 in Our Tools

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