#183D53 Color

#183D53 is rgb(24, 61, 83) in RGB and hsl(202, 55%, 21%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#183D53

HEX#183D53

RGBrgb(24, 61, 83)

HSLhsl(202, 55%, 21%)

HSVhsv(202, 71%, 33%)

OKLCHoklch(34.4% 0.057 237.7)

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

Text Contrast & Accessibility

WCAG contrast ratios for text on a #183D53 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text11.47:1AA normal ✓AA large ✓AAA normal ✓

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

Color Harmonies

Colors that pair well with #183D53 based on color wheel relationships. Click any swatch for its full breakdown.

Base#183D53 Complementary#532E18 Analogous#18534B Analogous#182053 Triadic#53183D Triadic#3D5318

Tints & Shades

Lighter tints and darker shades of #183D53, useful for hover states, backgrounds, and text variants.

Tints

#255E7E #317EAA #499BCA #75B3D7 #A0CBE3 #CCE3F0

Shades

#16384B #122F3F #102937 #0D202B #0A1A24 #071218

Use #183D53 in Our Tools

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