#666CA3 Color

#666CA3 is rgb(102, 108, 163) in RGB and hsl(234, 25%, 52%) in HSL. The closest CSS named color is SlateGray. White text is most readable on this background.

#666CA3

HEX#666CA3

RGBrgb(102, 108, 163)

HSLhsl(234, 25%, 52%)

HSVhsv(234, 37%, 64%)

OKLCHoklch(54.9% 0.086 278.4)

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

Text Contrast & Accessibility

WCAG contrast ratios for text on a #666CA3 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text4.95:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text4.24:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #666CA3 based on color wheel relationships. Click any swatch for its full breakdown.

Base#666CA3 Complementary#A39D66 Analogous#668BA3 Analogous#7E66A3 Triadic#A3666C Triadic#6CA366

Tints & Shades

Lighter tints and darker shades of #666CA3, useful for hover states, backgrounds, and text variants.

Tints

#7C82B1 #8F94BC #A6A9C9 #B9BCD5 #CFD1E2 #E2E3EE

Shades

#565C8F #494E79 #3B3F63 #303350 #222539 #151623

Use #666CA3 in Our Tools

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