#231BBB Color

#231BBB is rgb(35, 27, 187) in RGB and hsl(243, 75%, 42%) in HSL. The closest CSS named color is MediumBlue. White text is most readable on this background.

#231BBB

HEX#231BBB

RGBrgb(35, 27, 187)

HSLhsl(243, 75%, 42%)

HSVhsv(243, 86%, 73%)

OKLCHoklch(38.6% 0.229 270.3)

CMYKcmyk(81%, 86%, 0%, 27%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #231BBB background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text10.79:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.95:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #231BBB based on color wheel relationships. Click any swatch for its full breakdown.

Base#231BBB Complementary#B3BB1B Analogous#1B63BB Analogous#731BBB Triadic#BB231B Triadic#1BBB23

Tints & Shades

Lighter tints and darker shades of #231BBB, useful for hover states, backgrounds, and text variants.

Tints

#2920DF #4C44E4 #6E67E9 #908BEE #B2AFF4 #D4D2F9

Shades

#1F18A5 #1A148A #161174 #110D59 #0C0A43 #070628

Use #231BBB in Our Tools

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