#1537B2 Color

#1537B2 is rgb(21, 55, 178) in RGB and hsl(227, 79%, 39%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#1537B2

HEX#1537B2

RGBrgb(21, 55, 178)

HSLhsl(227, 79%, 39%)

HSVhsv(227, 88%, 70%)

OKLCHoklch(40.8% 0.197 265.4)

CMYKcmyk(88%, 69%, 0%, 30%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1537B2 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text9.45:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.22:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1537B2 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1537B2 Complementary#B29015 Analogous#1585B2 Analogous#4115B2 Triadic#B21537 Triadic#37B215

Tints & Shades

Lighter tints and darker shades of #1537B2, useful for hover states, backgrounds, and text variants.

Tints

#1942D7 #365DE7 #5B7AEC #849BF1 #A8B9F5 #D1DAFA

Shades

#12309B #102984 #0D226E #0A1B57 #071440 #050D29

Use #1537B2 in Our Tools

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