#555B8B Color

#555B8B is rgb(85, 91, 139) in RGB and hsl(233, 24%, 44%) in HSL. The closest CSS named color is DarkSlateBlue. White text is most readable on this background.

#555B8B

HEX#555B8B

RGBrgb(85, 91, 139)

HSLhsl(233, 24%, 44%)

HSVhsv(233, 39%, 55%)

OKLCHoklch(48.7% 0.077 277.7)

CMYKcmyk(39%, 35%, 0%, 45%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #555B8B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text6.45:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.26:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #555B8B based on color wheel relationships. Click any swatch for its full breakdown.

Base#555B8B Complementary#8B8555 Analogous#55768B Analogous#6A558B Triadic#8B555C Triadic#5C8B55

Tints & Shades

Lighter tints and darker shades of #555B8B, useful for hover states, backgrounds, and text variants.

Tints

#676EA2 #7D83B0 #979BBF #B0B4CF #C9CCDE #DFE1EC

Shades

#4A4F78 #404568 #343855 #292C42 #1D1F2F #131520

Use #555B8B in Our Tools

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