#666BA3 Color

#666BA3 is rgb(102, 107, 163) in RGB and hsl(235, 25%, 52%) in HSL. The closest CSS named color is SlateGray. White text is most readable on this background.

#666BA3

HEX#666BA3

RGBrgb(102, 107, 163)

HSLhsl(235, 25%, 52%)

HSVhsv(235, 37%, 64%)

OKLCHoklch(54.7% 0.087 279.2)

CMYKcmyk(37%, 34%, 0%, 36%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #666BA3 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

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

TextBlack text4.2:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #666BA3 based on color wheel relationships. Click any swatch for its full breakdown.

Base#666BA3 Complementary#A39E66 Analogous#668AA3 Analogous#8066A3 Triadic#A3666B Triadic#6BA366

Tints & Shades

Lighter tints and darker shades of #666BA3, useful for hover states, backgrounds, and text variants.

Tints

#7C81B1 #8F93BC #A6A9C9 #B9BBD5 #CFD1E2 #E2E3EE

Shades

#565B8F #494D79 #3B3F63 #303250 #222439 #151623

Use #666BA3 in Our Tools

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