#1237BF Color

#1237BF is rgb(18, 55, 191) in RGB and hsl(227, 83%, 41%) in HSL. The closest CSS named color is MediumBlue. White text is most readable on this background.

#1237BF

HEX#1237BF

RGBrgb(18, 55, 191)

HSLhsl(227, 83%, 41%)

HSVhsv(227, 91%, 75%)

OKLCHoklch(42.1% 0.214 265.1)

CMYKcmyk(91%, 71%, 0%, 25%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #1237BF background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text9.03:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.32:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #1237BF based on color wheel relationships. Click any swatch for its full breakdown.

Base#1237BF Complementary#BF9A12 Analogous#128EBF Analogous#4312BF Triadic#BF1237 Triadic#37BF12

Tints & Shades

Lighter tints and darker shades of #1237BF, useful for hover states, backgrounds, and text variants.

Tints

#1542E5 #365EEC #5C7CF0 #869EF4 #ABBCF7 #D0DAFB

Shades

#1031A8 #0D298C #0B2275 #091B5D #071446 #040C2A

Use #1237BF in Our Tools

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