#3F5A57 Color
#3F5A57 is rgb(63, 90, 87) in RGB and hsl(173, 18%, 30%) in HSL. The closest CSS named color is DarkSlateGray. White text is most readable on this background.
#3F5A57
HEX
#3F5A57RGB
rgb(63, 90, 87)HSL
hsl(173, 18%, 30%)HSV
hsv(173, 30%, 35%)OKLCH
oklch(44.5% 0.033 187.5)CMYK
cmyk(30%, 0%, 3%, 65%)Text Contrast & Accessibility
WCAG contrast ratios for text on a #3F5A57 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.
TextWhite text7.47:1AA normal ✓AA large ✓AAA normal ✓
TextBlack text2.81:1AA normal ✗AA large ✗AAA normal ✗
Color Harmonies
Colors that pair well with #3F5A57 based on color wheel relationships. Click any swatch for its full breakdown.
Tints & Shades
Lighter tints and darker shades of #3F5A57, useful for hover states, backgrounds, and text variants.