#555BB4 Color

#555BB4 is rgb(85, 91, 180) in RGB and hsl(236, 39%, 52%) in HSL. The closest CSS named color is SlateBlue. White text is most readable on this background.

#555BB4

HEX#555BB4

RGBrgb(85, 91, 180)

HSLhsl(236, 39%, 52%)

HSVhsv(236, 53%, 71%)

OKLCHoklch(51.2% 0.139 277.4)

CMYKcmyk(53%, 49%, 0%, 29%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #555BB4 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.93:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.54:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #555BB4 based on color wheel relationships. Click any swatch for its full breakdown.

Base#555BB4 Complementary#B4AE55 Analogous#558BB4 Analogous#7E55B4 Triadic#B4555B Triadic#5BB455

Tints & Shades

Lighter tints and darker shades of #555BB4, useful for hover states, backgrounds, and text variants.

Tints

#6E73BF #8388C9 #9C9FD3 #B1B4DD #CACCE8 #DFE0F1

Shades

#464CA0 #3B4087 #30346E #272A59 #1C1E40 #111327

Use #555BB4 in Our Tools

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