#666EA3 Color

#666EA3 is rgb(102, 110, 163) in RGB and hsl(232, 25%, 52%) in HSL. The closest CSS named color is SlateGray. White text is most readable on this background.

#666EA3

HEX#666EA3

RGBrgb(102, 110, 163)

HSLhsl(232, 25%, 52%)

HSVhsv(232, 37%, 64%)

OKLCHoklch(55.4% 0.083 276.8)

CMYKcmyk(37%, 33%, 0%, 36%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #666EA3 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text4.86:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text4.32:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #666EA3 based on color wheel relationships. Click any swatch for its full breakdown.

Base#666EA3 Complementary#A39B66 Analogous#668DA3 Analogous#7C66A3 Triadic#A3666E Triadic#6EA366

Tints & Shades

Lighter tints and darker shades of #666EA3, useful for hover states, backgrounds, and text variants.

Tints

#7C83B1 #8F95BC #A6ABC9 #B9BDD5 #CFD2E2 #E2E4EE

Shades

#565E8F #494F79 #3B4163 #303450 #222539 #151723

Use #666EA3 in Our Tools

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