#1537CB Color

#1537CB is rgb(21, 55, 203) in RGB and hsl(229, 81%, 44%) in HSL. The closest CSS named color is MediumBlue. White text is most readable on this background.

#1537CB

HEX#1537CB

RGBrgb(21, 55, 203)

HSLhsl(229, 81%, 44%)

HSVhsv(229, 90%, 80%)

OKLCHoklch(43.5% 0.227 265.5)

CMYKcmyk(90%, 73%, 0%, 20%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1537CB background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text8.6:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.44:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1537CB based on color wheel relationships. Click any swatch for its full breakdown.

Base#1537CB Complementary#CBAA15 Analogous#1592CB Analogous#4F15CB Triadic#CB1537 Triadic#37CB15

Tints & Shades

Lighter tints and darker shades of #1537CB, useful for hover states, backgrounds, and text variants.

Tints

#2146E8 #4261EB #6780EF #8C9FF3 #B1BDF7 #D1D8FA

Shades

#122FAF #102998 #0D227D #0A1A61 #071345 #050C2E

Use #1537CB in Our Tools

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