#183A53 Color

#183A53 is rgb(24, 58, 83) in RGB and hsl(205, 55%, 21%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#183A53

HEX#183A53

RGBrgb(24, 58, 83)

HSLhsl(205, 55%, 21%)

HSVhsv(205, 71%, 33%)

OKLCHoklch(33.6% 0.059 243.1)

CMYKcmyk(71%, 30%, 0%, 67%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #183A53 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text11.87:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.77:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #183A53 based on color wheel relationships. Click any swatch for its full breakdown.

Base#183A53 Complementary#533118 Analogous#18534E Analogous#181D53 Triadic#53183A Triadic#3A5318

Tints & Shades

Lighter tints and darker shades of #183A53, useful for hover states, backgrounds, and text variants.

Tints

#25597E #3178AA #4994CA #75AED7 #A0C7E3 #CCE1F0

Shades

#16354B #122D3F #102737 #0D1F2B #0A1924 #071118

Use #183A53 in Our Tools

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