#1537D1 Color

#1537D1 is rgb(21, 55, 209) in RGB and hsl(229, 82%, 45%) in HSL. The closest CSS named color is MediumBlue. White text is most readable on this background.

#1537D1

HEX#1537D1

RGBrgb(21, 55, 209)

HSLhsl(229, 82%, 45%)

HSVhsv(229, 90%, 82%)

OKLCHoklch(44.1% 0.235 265.5)

CMYKcmyk(90%, 74%, 0%, 18%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1537D1 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text8.4:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.5:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1537D1 based on color wheel relationships. Click any swatch for its full breakdown.

Base#1537D1 Complementary#D1AE15 Analogous#1595D1 Analogous#5015D1 Triadic#D11537 Triadic#37D115

Tints & Shades

Lighter tints and darker shades of #1537D1, useful for hover states, backgrounds, and text variants.

Tints

#2549E9 #4564ED #6A83F0 #8B9EF4 #B0BDF7 #D1D8FA

Shades

#1230B5 #0F2899 #0C217D #0A1B66 #07144A #050C2E

Use #1537D1 in Our Tools

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