#243B66 Color

#243B66 is rgb(36, 59, 102) in RGB and hsl(219, 48%, 27%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#243B66

HEX#243B66

RGBrgb(36, 59, 102)

HSLhsl(219, 48%, 27%)

HSVhsv(219, 65%, 40%)

OKLCHoklch(35.7% 0.08 261.9)

CMYKcmyk(65%, 42%, 0%, 60%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #243B66 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

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

TextBlack text1.89:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #243B66 based on color wheel relationships. Click any swatch for its full breakdown.

Base#243B66 Complementary#664F24 Analogous#245C66 Analogous#2E2466 Triadic#66243B Triadic#3B6624

Tints & Shades

Lighter tints and darker shades of #243B66, useful for hover states, backgrounds, and text variants.

Tints

#31518C #3E67B1 #5D82C6 #86A2D5 #ACBFE2 #D2DCEF

Shades

#20345B #1B2C4B #172540 #131F35 #0F182A #090F1A

Use #243B66 in Our Tools

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