#666B8F Color

#666B8F is rgb(102, 107, 143) in RGB and hsl(233, 17%, 48%) in HSL. The closest CSS named color is SlateGray. White text is most readable on this background.

#666B8F

HEX#666B8F

RGBrgb(102, 107, 143)

HSLhsl(233, 17%, 48%)

HSVhsv(233, 29%, 56%)

OKLCHoklch(53.8% 0.057 278.2)

CMYKcmyk(29%, 25%, 0%, 44%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #666B8F background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.17:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text4.06:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #666B8F based on color wheel relationships. Click any swatch for its full breakdown.

Base#666B8F Complementary#8F8A66 Analogous#667F8F Analogous#76668F Triadic#8F666A Triadic#6A8F66

Tints & Shades

Lighter tints and darker shades of #666B8F, useful for hover states, backgrounds, and text variants.

Tints

#797DA0 #8E91AF #A3A6BD #BABDCE #CFD1DD #E4E5EC

Shades

#595D7D #4A4E68 #3D4057 #313345 #242633 #15161E

Use #666B8F in Our Tools

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