#557B9B Color

#557B9B is rgb(85, 123, 155) in RGB and hsl(207, 29%, 47%) in HSL. The closest CSS named color is SlateGray. Black text is most readable on this background.

#557B9B

HEX#557B9B

RGBrgb(85, 123, 155)

HSLhsl(207, 29%, 47%)

HSVhsv(207, 45%, 61%)

OKLCHoklch(56.7% 0.066 244.7)

CMYKcmyk(45%, 21%, 0%, 39%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #557B9B background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text4.47:1AA normal ✗AA large ✓AAA normal ✗

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

Color Harmonies

Colors that pair well with #557B9B based on color wheel relationships. Click any swatch for its full breakdown.

Base#557B9B Complementary#9B7455 Analogous#559B97 Analogous#55599B Triadic#9B557B Triadic#7B9B55

Tints & Shades

Lighter tints and darker shades of #557B9B, useful for hover states, backgrounds, and text variants.

Tints

#688DAC #82A1BA #99B2C7 #B0C4D4 #C7D5E0 #E1E9EF

Shades

#4A6C87 #3F5C73 #354C5F #283A48 #1D2A35 #121A21

Use #557B9B in Our Tools

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