#557DB4 Color

#557DB4 is rgb(85, 125, 180) in RGB and hsl(215, 39%, 52%) in HSL. The closest CSS named color is SteelBlue. Black text is most readable on this background.

#557DB4

HEX#557DB4

RGBrgb(85, 125, 180)

HSLhsl(215, 39%, 52%)

HSVhsv(215, 53%, 71%)

OKLCHoklch(58.4% 0.096 256.6)

CMYKcmyk(53%, 31%, 0%, 29%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #557DB4 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text4.22:1AA normal ✗AA large ✓AAA normal ✗

TextBlack text4.98:1AA normal ✓AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #557DB4 based on color wheel relationships. Click any swatch for its full breakdown.

Base#557DB4 Complementary#B48D55 Analogous#55ACB4 Analogous#5D55B4 Triadic#B4557D Triadic#7DB455

Tints & Shades

Lighter tints and darker shades of #557DB4, useful for hover states, backgrounds, and text variants.

Tints

#6E90BF #83A0C9 #9CB3D3 #B1C3DD #CAD6E8 #DFE7F1

Shades

#466BA0 #3B5B87 #304A6E #273C59 #1C2B40 #111A27

Use #557DB4 in Our Tools

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