#183E58 Color

#183E58 is rgb(24, 62, 88) in RGB and hsl(204, 57%, 22%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#183E58

HEX#183E58

RGBrgb(24, 62, 88)

HSLhsl(204, 57%, 22%)

HSVhsv(204, 73%, 35%)

OKLCHoklch(35% 0.063 241.6)

CMYKcmyk(73%, 30%, 0%, 65%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #183E58 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text11.24:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.87:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #183E58 based on color wheel relationships. Click any swatch for its full breakdown.

Base#183E58 Complementary#583218 Analogous#185852 Analogous#181F58 Triadic#58183E Triadic#3E5818

Tints & Shades

Lighter tints and darker shades of #183E58, useful for hover states, backgrounds, and text variants.

Tints

#245E84 #307DB0 #4B99CE #73B0D9 #9FC9E5 #CBE2F1

Shades

#15364C #133044 #0F2838 #0D2230 #0A1A24 #08141C

Use #183E58 in Our Tools

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