#557A8B Color

#557A8B is rgb(85, 122, 139) in RGB and hsl(199, 24%, 44%) in HSL. The closest CSS named color is SlateGray. White text is most readable on this background.

#557A8B

HEX#557A8B

RGBrgb(85, 122, 139)

HSLhsl(199, 24%, 44%)

HSVhsv(199, 39%, 55%)

OKLCHoklch(55.8% 0.049 228.3)

CMYKcmyk(39%, 12%, 0%, 45%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #557A8B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text4.62:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text4.54:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #557A8B based on color wheel relationships. Click any swatch for its full breakdown.

Base#557A8B Complementary#8B6655 Analogous#558B81 Analogous#555F8B Triadic#8B557A Triadic#7A8B55

Tints & Shades

Lighter tints and darker shades of #557A8B, useful for hover states, backgrounds, and text variants.

Tints

#678FA2 #7DA0B0 #97B2BF #B0C5CF #C9D7DE #DFE8EC

Shades

#4A6978 #405C68 #344B55 #293A42 #1D2A2F #131C20

Use #557A8B in Our Tools

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