#5B31AA#5B31AA

#5B31AA is a dark, vivid violet. Relative luminance 0.073; OKLCH L 43.9% C 0.181 H 293.4°. Best body text is #FFFFFF at 8.52:1 contrast (WCAG AA passes).

Color values

HEX	#5B31AA
RGB	rgb(91, 49, 170)
HSL	hsl(261, 55%, 43%)
HSV	hsv(261, 71%, 67%)
CMYK	cmyk(46.5%, 71.2%, 0%, 33.3%)
CIE-LAB	lab(32.53, 46.21, -58.08)
CIE-LCH	lch(32.53, 74.22, 308.51°)
OKLab	oklab(43.88% 0.0719 -0.1664)
OKLCH	oklch(43.88% 0.181 293.4)
XYZ	xyz(12.6664, 7.3227, 38.7685)
Luminance	0.0732 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Rebeccapurple

#663399

ΔE00 3.92

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5B31AA #80AA31

analogous

#3144AA #5B31AA #9731AA

triadic

#5B31AA #AA5B31 #31AA5B

tetradic

#5B31AA #AA3144 #80AA31 #31AA97

square

#5B31AA #AA3144 #80AA31 #31AA97

split-complementary

#5B31AA #AA9731 #44AA31

monochromatic

#28164B #42237A #5B31AA #794DCC #9C7CD9

Accessibility & contrast

On white

8.52

#5B31AA on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#5B31AA on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #5B31AA

8.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5B31AA	#FFFFFF	#000000	##FFFFFF
##5B31AA	1.00	8.52	2.46	8.52
#FFFFFF	8.52	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004EAE

Deuteranopia (green-blind)

#004AA8

Tritanopia (blue-blind)

#44506A

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #5b31aa;
/* rgb */ color: rgb(91, 49, 170);
/* oklch */ color: oklch(43.9% 0.181 293.4);

Tailwind

colors: {
  custom: {
    50: '#916dc4',
    500: '#5b31aa',
    950: '#000000',
  },
}

SCSS

$custom: #5b31aa;
$custom-light: #916dc4;
$custom-dark: #000000;

JSON

{
  "hex": "#5b31aa",
  "rgb": {
    "r": 91,
    "g": 49,
    "b": 170
  },
  "hsl": {
    "h": 260.826,
    "s": 55.251,
    "l": 42.941
  },
  "oklch": {
    "l": 0.43879,
    "c": 0.18125,
    "h": 293.4
  },
  "luminance": 0.07323
}

Semantic roles & 50–950 ramp

primary

#5B31AA

secondary

#A7C275

accent

#DF49AB

background

#F9F6FC

surface

#F2ECF8

border

#CCC7D1

text

#0D0713

muted

#7E7A82

Preview Lab

Preview with #5B31AA

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →