#183B53 Color

#183B53 is rgb(24, 59, 83) in RGB and hsl(204, 55%, 21%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#183B53

HEX#183B53

RGBrgb(24, 59, 83)

HSLhsl(204, 55%, 21%)

HSVhsv(204, 71%, 33%)

OKLCHoklch(33.9% 0.058 241.4)

CMYKcmyk(71%, 29%, 0%, 67%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #183B53 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text11.74:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.79:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #183B53 based on color wheel relationships. Click any swatch for its full breakdown.

Base#183B53 Complementary#533018 Analogous#18534D Analogous#181E53 Triadic#53183B Triadic#3B5318

Tints & Shades

Lighter tints and darker shades of #183B53, useful for hover states, backgrounds, and text variants.

Tints

#255B7E #317AAA #4997CA #75B0D7 #A0C9E3 #CCE1F0

Shades

#16364B #122D3F #102837 #0D1F2B #0A1924 #071118

Use #183B53 in Our Tools

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