#555BD8 Color

#555BD8 is rgb(85, 91, 216) in RGB and hsl(237, 63%, 59%) in HSL. The closest CSS named color is SlateBlue. White text is most readable on this background.

#555BD8

HEX#555BD8

RGBrgb(85, 91, 216)

HSLhsl(237, 63%, 59%)

HSVhsv(237, 61%, 85%)

OKLCHoklch(53.8% 0.188 276)

CMYKcmyk(61%, 58%, 0%, 15%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #555BD8 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.42:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.87:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #555BD8 based on color wheel relationships. Click any swatch for its full breakdown.

Base#555BD8 Complementary#D8D255 Analogous#559DD8 Analogous#9055D8 Triadic#D8555B Triadic#5BD855

Tints & Shades

Lighter tints and darker shades of #555BD8, useful for hover states, backgrounds, and text variants.

Tints

#6E73DE #8287E3 #9B9FE8 #B0B3ED #C9CBF3 #DEDFF7

Shades

#333BD1 #292FB3 #212791 #1A1F74 #131653 #0B0D32

Use #555BD8 in Our Tools

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