#556B9B Color

#556B9B is rgb(85, 107, 155) in RGB and hsl(221, 29%, 47%) in HSL. The closest CSS named color is SlateGray. White text is most readable on this background.

#556B9B

HEX#556B9B

RGBrgb(85, 107, 155)

HSLhsl(221, 29%, 47%)

HSVhsv(221, 45%, 61%)

OKLCHoklch(53.1% 0.08 264.9)

CMYKcmyk(45%, 31%, 0%, 39%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #556B9B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.3:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.96:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #556B9B based on color wheel relationships. Click any swatch for its full breakdown.

Base#556B9B Complementary#9B8555 Analogous#558E9B Analogous#62559B Triadic#9B556B Triadic#6B9B55

Tints & Shades

Lighter tints and darker shades of #556B9B, useful for hover states, backgrounds, and text variants.

Tints

#687DAC #8294BA #99A8C7 #B0BBD4 #C7CFE0 #E1E6EF

Shades

#4A5D87 #3F5073 #35425F #283248 #1D2435 #121721

Use #556B9B in Our Tools

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