#331B9D Color

#331B9D is rgb(51, 27, 157) in RGB and hsl(251, 71%, 36%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#331B9D

HEX#331B9D

RGBrgb(51, 27, 157)

HSLhsl(251, 71%, 36%)

HSVhsv(251, 83%, 62%)

OKLCHoklch(36.1% 0.191 279.3)

CMYKcmyk(68%, 83%, 0%, 38%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #331B9D background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text11.77:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.78:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #331B9D based on color wheel relationships. Click any swatch for its full breakdown.

Base#331B9D Complementary#859D1B Analogous#1B449D Analogous#741B9D Triadic#9D331B Triadic#1B9D33

Tints & Shades

Lighter tints and darker shades of #331B9D, useful for hover states, backgrounds, and text variants.

Tints

#3F21C4 #5536DD #765EE4 #9481EA #B5A8F0 #D6CFF7

Shades

#2C1787 #261476 #1F1060 #190D4E #120A39 #0D0727

Use #331B9D in Our Tools

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