#556C9B Color

#556C9B is rgb(85, 108, 155) in RGB and hsl(220, 29%, 47%) in HSL. The closest CSS named color is SlateGray. White text is most readable on this background.

#556C9B

HEX#556C9B

RGBrgb(85, 108, 155)

HSLhsl(220, 29%, 47%)

HSVhsv(220, 45%, 61%)

OKLCHoklch(53.3% 0.079 263.9)

CMYKcmyk(45%, 30%, 0%, 39%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #556C9B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.24:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text4:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #556C9B based on color wheel relationships. Click any swatch for its full breakdown.

Base#556C9B Complementary#9B8355 Analogous#558F9B Analogous#61559B Triadic#9B556C Triadic#6C9B55

Tints & Shades

Lighter tints and darker shades of #556C9B, useful for hover states, backgrounds, and text variants.

Tints

#687EAC #8295BA #99A8C7 #B0BCD4 #C7CFE0 #E1E6EF

Shades

#4A5E87 #3F5173 #35435F #283348 #1D2535 #121721

Use #556C9B in Our Tools

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