#3F183D Color

#3F183D is rgb(63, 24, 61) in RGB and hsl(303, 45%, 17%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.

#3F183D
HEX#3F183D
RGBrgb(63, 24, 61)
HSLhsl(303, 45%, 17%)
HSVhsv(303, 62%, 25%)
OKLCHoklch(28.4% 0.082 329.5)
CMYKcmyk(0%, 62%, 3%, 75%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #3F183D background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text14.9:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.41:1AA normal ✗AA large ✗AAA normal ✗

Color Harmonies

Colors that pair well with #3F183D based on color wheel relationships. Click any swatch for its full breakdown.

Base#3F183DComplementary#183F1AAnalogous#2D183FAnalogous#3F1829Triadic#3D3F18Triadic#183D3F

Tints & Shades

Lighter tints and darker shades of #3F183D, useful for hover states, backgrounds, and text variants.

Use #3F183D in Our Tools

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