#556B8B Color

#556B8B is rgb(85, 107, 139) in RGB and hsl(216, 24%, 44%) in HSL. The closest CSS named color is SlateGray. White text is most readable on this background.

#556B8B

HEX#556B8B

RGBrgb(85, 107, 139)

HSLhsl(216, 24%, 44%)

HSVhsv(216, 39%, 55%)

OKLCHoklch(52.3% 0.057 257.7)

CMYKcmyk(39%, 23%, 0%, 45%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #556B8B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.44:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.86:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #556B8B based on color wheel relationships. Click any swatch for its full breakdown.

Base#556B8B Complementary#8B7655 Analogous#55868B Analogous#5B558B Triadic#8B556B Triadic#6B8B55

Tints & Shades

Lighter tints and darker shades of #556B8B, useful for hover states, backgrounds, and text variants.

Tints

#677FA2 #7D91B0 #97A7BF #B0BCCF #C9D2DE #DFE4EC

Shades

#4A5C78 #405068 #344255 #293342 #1D242F #131820

Use #556B8B in Our Tools

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