#183D54 Color

#183D54 is rgb(24, 61, 84) in RGB and hsl(203, 56%, 21%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#183D54

HEX#183D54

RGBrgb(24, 61, 84)

HSLhsl(203, 56%, 21%)

HSVhsv(203, 71%, 33%)

OKLCHoklch(34.5% 0.058 239)

CMYKcmyk(71%, 27%, 0%, 67%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #183D54 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text11.45:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.83:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #183D54 based on color wheel relationships. Click any swatch for its full breakdown.

Base#183D54 Complementary#542F18 Analogous#18544D Analogous#181F54 Triadic#54183D Triadic#3D5418

Tints & Shades

Lighter tints and darker shades of #183D54, useful for hover states, backgrounds, and text variants.

Tints

#245C7F #307CAB #4899CB #74B1D8 #A0CAE4 #CBE2F0

Shades

#15374C #122E40 #102838 #0C202C #0A1A24 #071118

Use #183D54 in Our Tools

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