#183D81 Color

#183D81 is rgb(24, 61, 129) in RGB and hsl(219, 69%, 30%) in HSL. The closest CSS named color is MidnightBlue. White text is most readable on this background.

#183D81

HEX#183D81

RGBrgb(24, 61, 129)

HSLhsl(219, 69%, 30%)

HSVhsv(219, 81%, 51%)

OKLCHoklch(37.6% 0.123 261.3)

CMYKcmyk(81%, 53%, 0%, 49%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #183D81 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text10.38:1AA normal ✓AA large ✓AAA normal ✓

TextBlack text2.02:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #183D81 based on color wheel relationships. Click any swatch for its full breakdown.

Base#183D81 Complementary#815C18 Analogous#187181 Analogous#281881 Triadic#81183D Triadic#3D8118

Tints & Shades

Lighter tints and darker shades of #183D81, useful for hover states, backgrounds, and text variants.

Tints

#2051AC #2763D3 #4E81DF #79A0E6 #A5BEEE #CBDAF6

Shades

#153570 #122F63 #0F2652 #0C1E41 #09162F #061022

Use #183D81 in Our Tools

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