#183D58 Color

#183D58 is rgb(24, 61, 88) in RGB and hsl(205, 57%, 22%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#183D58

HEX#183D58

RGBrgb(24, 61, 88)

HSLhsl(205, 57%, 22%)

HSVhsv(205, 73%, 35%)

OKLCHoklch(34.7% 0.063 243.2)

CMYKcmyk(73%, 31%, 0%, 65%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #183D58 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text11.37:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text1.85:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #183D58 based on color wheel relationships. Click any swatch for its full breakdown.

Base#183D58 Complementary#583318 Analogous#185853 Analogous#181D58 Triadic#58183D Triadic#3D5818

Tints & Shades

Lighter tints and darker shades of #183D58, useful for hover states, backgrounds, and text variants.

Tints

#245C84 #307BB0 #4B97CE #73AED9 #9FC8E5 #CBE1F1

Shades

#15354C #132F44 #0F2738 #0D2230 #0A1924 #08141C

Use #183D58 in Our Tools

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