#183DB4 Color

#183DB4 is rgb(24, 61, 180) in RGB and hsl(226, 76%, 40%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#183DB4

HEX#183DB4

RGBrgb(24, 61, 180)

HSLhsl(226, 76%, 40%)

HSVhsv(226, 87%, 71%)

OKLCHoklch(42.2% 0.192 265.1)

CMYKcmyk(87%, 66%, 0%, 29%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #183DB4 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text8.88:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.37:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #183DB4 based on color wheel relationships. Click any swatch for its full breakdown.

Base#183DB4 Complementary#B48F18 Analogous#188AB4 Analogous#4218B4 Triadic#B4183D Triadic#3DB418

Tints & Shades

Lighter tints and darker shades of #183DB4, useful for hover states, backgrounds, and text variants.

Tints

#1D49D7 #3E65E5 #6282EA #869EEE #AABBF3 #D2DBF9

Shades

#15359D #122D87 #0F2670 #0C1D55 #09153F #060E28

Use #183DB4 in Our Tools

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