#1531CB Color

#1531CB is rgb(21, 49, 203) in RGB and hsl(231, 81%, 44%) in HSL. The closest CSS named color is MediumBlue. White text is most readable on this background.

#1531CB

HEX#1531CB

RGBrgb(21, 49, 203)

HSLhsl(231, 81%, 44%)

HSVhsv(231, 90%, 80%)

OKLCHoklch(42.6% 0.233 265.9)

CMYKcmyk(90%, 76%, 0%, 20%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1531CB background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text9:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.33:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1531CB based on color wheel relationships. Click any swatch for its full breakdown.

Base#1531CB Complementary#CBB015 Analogous#158BCB Analogous#5515CB Triadic#CB1531 Triadic#31CB15

Tints & Shades

Lighter tints and darker shades of #1531CB, useful for hover states, backgrounds, and text variants.

Tints

#213FE8 #425BEB #677BEF #8C9BF3 #B1BBF7 #D1D7FA

Shades

#122AAF #102498 #0D1E7D #0A1761 #071145 #050B2E

Use #1531CB in Our Tools

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