#183C53 Color

#183C53 is rgb(24, 60, 83) in RGB and hsl(203, 55%, 21%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#183C53

HEX#183C53

RGBrgb(24, 60, 83)

HSLhsl(203, 55%, 21%)

HSVhsv(203, 71%, 33%)

OKLCHoklch(34.1% 0.058 239.6)

CMYKcmyk(71%, 28%, 0%, 67%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #183C53 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text11.6:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.81:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #183C53 based on color wheel relationships. Click any swatch for its full breakdown.

Base#183C53 Complementary#532F18 Analogous#18534C Analogous#181F53 Triadic#53183C Triadic#3C5318

Tints & Shades

Lighter tints and darker shades of #183C53, useful for hover states, backgrounds, and text variants.

Tints

#255C7E #317CAA #4999CA #75B1D7 #A0CAE3 #CCE2F0

Shades

#16374B #122E3F #102837 #0D202B #0A1A24 #071118

Use #183C53 in Our Tools

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