#66378B Color

#66378B is rgb(102, 55, 139) in RGB and hsl(274, 43%, 38%) in HSL. The closest CSS named color is RebeccaPurple. White text is most readable on this background.

#66378B

HEX#66378B

RGBrgb(102, 55, 139)

HSLhsl(274, 43%, 38%)

HSVhsv(274, 60%, 55%)

OKLCHoklch(43.6% 0.138 307.4)

CMYKcmyk(27%, 60%, 0%, 45%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #66378B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text8.45:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.48:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #66378B based on color wheel relationships. Click any swatch for its full breakdown.

Base#66378B Complementary#5B8B37 Analogous#3D378B Analogous#8B3785 Triadic#8B6637 Triadic#378B66

Tints & Shades

Lighter tints and darker shades of #66378B, useful for hover states, backgrounds, and text variants.

Tints

#7F44AB #935BBE #A87CCB #BC99D6 #D1BAE3 #E5D7EF

Shades

#593078 #4B2966 #3E2154 #331C45 #261433 #180D21

Use #66378B in Our Tools

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