#555DB9 Color

#555DB9 is rgb(85, 93, 185) in RGB and hsl(235, 42%, 53%) in HSL. The closest CSS named color is SlateBlue. White text is most readable on this background.

#555DB9

HEX#555DB9

RGBrgb(85, 93, 185)

HSLhsl(235, 42%, 53%)

HSVhsv(235, 54%, 73%)

OKLCHoklch(51.9% 0.143 276.5)

CMYKcmyk(54%, 50%, 0%, 27%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #555DB9 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.75:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.65:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #555DB9 based on color wheel relationships. Click any swatch for its full breakdown.

Base#555DB9 Complementary#B9B155 Analogous#5590B9 Analogous#7F55B9 Triadic#B9555D Triadic#5DB955

Tints & Shades

Lighter tints and darker shades of #555DB9, useful for hover states, backgrounds, and text variants.

Tints

#6B72C2 #848ACD #9A9FD6 #B3B7E0 #C9CBE9 #E2E3F3

Shades

#444CA7 #3A418D #2F3574 #25295B #1B1E41 #101228

Use #555DB9 in Our Tools

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