#557E9B Color

#557E9B is rgb(85, 126, 155) in RGB and hsl(205, 29%, 47%) in HSL. The closest CSS named color is SlateGray. Black text is most readable on this background.

#557E9B

HEX#557E9B

RGBrgb(85, 126, 155)

HSLhsl(205, 29%, 47%)

HSVhsv(205, 45%, 61%)

OKLCHoklch(57.4% 0.064 240.1)

CMYKcmyk(45%, 19%, 0%, 39%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #557E9B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text4.34:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text4.84:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #557E9B based on color wheel relationships. Click any swatch for its full breakdown.

Base#557E9B Complementary#9B7255 Analogous#559B95 Analogous#555B9B Triadic#9B557E Triadic#7E9B55

Tints & Shades

Lighter tints and darker shades of #557E9B, useful for hover states, backgrounds, and text variants.

Tints

#688FAC #82A3BA #99B4C7 #B0C5D4 #C7D6E0 #E1E9EF

Shades

#4A6E87 #3F5E73 #354E5F #283B48 #1D2B35 #121B21

Use #557E9B in Our Tools

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