#303B37 Color
#303B37 is rgb(48, 59, 55) in RGB and hsl(158, 10%, 21%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.
#303B37
HEX
#303B37RGB
rgb(48, 59, 55)HSL
hsl(158, 10%, 21%)HSV
hsv(158, 19%, 23%)OKLCH
oklch(34.1% 0.016 171.3)CMYK
cmyk(19%, 0%, 7%, 77%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #303B37 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text11.63:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text1.81:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #303B37 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #303B37, useful for hover states, backgrounds, and text variants.