#557FB9 Color

#557FB9 is rgb(85, 127, 185) in RGB and hsl(215, 42%, 53%) in HSL. The closest CSS named color is SteelBlue. Black text is most readable on this background.

#557FB9

HEX#557FB9

RGBrgb(85, 127, 185)

HSLhsl(215, 42%, 53%)

HSVhsv(215, 54%, 73%)

OKLCHoklch(59.1% 0.101 256.7)

CMYKcmyk(54%, 31%, 0%, 27%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #557FB9 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

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

TextBlack text5.12:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #557FB9 based on color wheel relationships. Click any swatch for its full breakdown.

Base#557FB9 Complementary#B99055 Analogous#55B1B9 Analogous#5D55B9 Triadic#B9557F Triadic#7FB955

Tints & Shades

Lighter tints and darker shades of #557FB9, useful for hover states, backgrounds, and text variants.

Tints

#6B8FC2 #84A2CD #9AB3D6 #B3C6E0 #C9D6E9 #E2E9F3

Shades

#446DA7 #3A5C8D #2F4C74 #253B5B #1B2B41 #101A28

Use #557FB9 in Our Tools

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