#556D8B Color

#556D8B is rgb(85, 109, 139) in RGB and hsl(213, 24%, 44%) in HSL. The closest CSS named color is SlateGray. White text is most readable on this background.

#556D8B

HEX#556D8B

RGBrgb(85, 109, 139)

HSLhsl(213, 24%, 44%)

HSVhsv(213, 39%, 55%)

OKLCHoklch(52.8% 0.055 254.3)

CMYKcmyk(39%, 22%, 0%, 45%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #556D8B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.32:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.95:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #556D8B based on color wheel relationships. Click any swatch for its full breakdown.

Base#556D8B Complementary#8B7355 Analogous#55888B Analogous#58558B Triadic#8B556E Triadic#6E8B55

Tints & Shades

Lighter tints and darker shades of #556D8B, useful for hover states, backgrounds, and text variants.

Tints

#6782A2 #7D94B0 #97A9BF #B0BECF #C9D3DE #DFE5EC

Shades

#4A5F78 #405268 #344355 #293442 #1D252F #131920

Use #556D8B in Our Tools

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