#5151B3 Color

#5151B3 is rgb(81, 81, 179) in RGB and hsl(240, 39%, 51%) in HSL. The closest CSS named color is SlateBlue. White text is most readable on this background.

#5151B3

HEX#5151B3

RGBrgb(81, 81, 179)

HSLhsl(240, 39%, 51%)

HSVhsv(240, 55%, 70%)

OKLCHoklch(48.9% 0.152 279.2)

CMYKcmyk(55%, 55%, 0%, 30%)

Text Contrast & Accessibility

WCAG contrast ratios for text on a #5151B3 background. AA requires 4.5:1 for normal text and 3:1 for large text; AAA requires 7:1.

TextWhite text6.61:1AA normal ✓AA large ✓AAA normal ✗

TextBlack text3.18:1AA normal ✗AA large ✓AAA normal ✗

Color Harmonies

Colors that pair well with #5151B3 based on color wheel relationships. Click any swatch for its full breakdown.

Base#5151B3 Complementary#B3B351 Analogous#5182B3 Analogous#8251B3 Triadic#B35151 Triadic#51B351

Tints & Shades

Lighter tints and darker shades of #5151B3, useful for hover states, backgrounds, and text variants.

Tints

#6A6ABE #7F7FC7 #9898D2 #B1B1DD #CACAE8 #DFDFF1

Shades

#44449C #3B3B87 #30306E #252555 #1A1A3C #111127

Use #5151B3 in Our Tools

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