#557D8B Color

#557D8B is rgb(85, 125, 139) in RGB and hsl(196, 24%, 44%) in HSL. The closest CSS named color is SlateGray. Black text is most readable on this background.

#557D8B

HEX#557D8B

RGBrgb(85, 125, 139)

HSLhsl(196, 24%, 44%)

HSVhsv(196, 39%, 55%)

OKLCHoklch(56.5% 0.049 221.8)

CMYKcmyk(39%, 10%, 0%, 45%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #557D8B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text4.48:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text4.69:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #557D8B based on color wheel relationships. Click any swatch for its full breakdown.

Base#557D8B Complementary#8B6455 Analogous#558B7F Analogous#55628B Triadic#8B557D Triadic#7D8B55

Tints & Shades

Lighter tints and darker shades of #557D8B, useful for hover states, backgrounds, and text variants.

Tints

#6792A2 #7DA2B0 #97B4BF #B0C6CF #C9D9DE #DFE8EC

Shades

#4A6C78 #405E68 #344D55 #293C42 #1D2B2F #131C20

Use #557D8B in Our Tools

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