#183DAA Color

#183DAA is rgb(24, 61, 170) in RGB and hsl(225, 75%, 38%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#183DAA

HEX#183DAA

RGBrgb(24, 61, 170)

HSLhsl(225, 75%, 38%)

HSVhsv(225, 86%, 67%)

OKLCHoklch(41.2% 0.179 264.8)

CMYKcmyk(86%, 64%, 0%, 33%)

Text Contrast & Accessibility

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

TextWhite text9.18:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.29:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

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

Base#183DAA Complementary#AA8518 Analogous#1885AA Analogous#3D18AA Triadic#AA183D Triadic#3DAA18

Tints & Shades

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

Tints

#1E4BD2 #3661E2 #5E81E8 #829DED #AABCF3 #CED8F8

Shades

#153593 #122D7D #0F2567 #0C1E55 #09163E #060E28

Use #183DAA in Our Tools

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