#555BD3 Color

#555BD3 is rgb(85, 91, 211) in RGB and hsl(237, 59%, 58%) in HSL. The closest CSS named color is SlateBlue. White text is most readable on this background.

#555BD3

HEX#555BD3

RGBrgb(85, 91, 211)

HSLhsl(237, 59%, 58%)

HSVhsv(237, 60%, 83%)

OKLCHoklch(53.4% 0.181 276.2)

CMYKcmyk(60%, 57%, 0%, 17%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #555BD3 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text5.49:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.82:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #555BD3 based on color wheel relationships. Click any swatch for its full breakdown.

Base#555BD3 Complementary#D3CD55 Analogous#559AD3 Analogous#8E55D3 Triadic#D3555B Triadic#5BD355

Tints & Shades

Lighter tints and darker shades of #555BD3, useful for hover states, backgrounds, and text variants.

Tints

#6D72D9 #8186DF #9A9DE5 #B2B5EB #CACCF1 #DFE0F7

Shades

#343CCB #2D33AE #252A8E #1C206D #14174D #0D0E31

Use #555BD3 in Our Tools

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