#666BC7 Color

#666BC7 is rgb(102, 107, 199) in RGB and hsl(237, 46%, 59%) in HSL. The closest CSS named color is SlateBlue. White text is most readable on this background.

#666BC7

HEX#666BC7

RGBrgb(102, 107, 199)

HSLhsl(237, 46%, 59%)

HSVhsv(237, 49%, 78%)

OKLCHoklch(56.8% 0.14 278.6)

CMYKcmyk(49%, 46%, 0%, 22%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #666BC7 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text4.67:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text4.49:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #666BC7 based on color wheel relationships. Click any swatch for its full breakdown.

Base#666BC7 Complementary#C7C266 Analogous#669BC7 Analogous#9266C7 Triadic#C7666B Triadic#6BC766

Tints & Shades

Lighter tints and darker shades of #666BC7, useful for hover states, backgrounds, and text variants.

Tints

#7D81CF #8F93D6 #A6A8DE #B8BAE5 #CFD0ED #E1E2F4

Shades

#494EBC #3B40A0 #303482 #272A68 #1C1E4A #11122D

Use #666BC7 in Our Tools

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