#531B87#531B87

#531B87 is a dark, vivid violet. Relative luminance 0.044; OKLCH L 37.3% C 0.166 H 302.2°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#531B87
RGB	rgb(83, 27, 135)
HSL	hsl(271, 67%, 32%)
HSV	hsv(271, 80%, 53%)
CMYK	cmyk(38.5%, 80%, 0%, 47.1%)
CIE-LAB	lab(24.87, 45.96, -49.21)
CIE-LCH	lch(24.87, 67.33, 313.05°)
OKLab	oklab(37.32% 0.0886 -0.1405)
OKLCH	oklch(37.32% 0.166 302.2)
XYZ	xyz(8.3313, 4.3721, 23.3219)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Indigo

#4B0082

ΔE00 3.58

Royal Purple (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#531B87 #4F871B

analogous

#1D1B87 #531B87 #871B85

triadic

#531B87 #87531B #1B8753

tetradic

#531B87 #871D1B #4F871B #1B8587

square

#531B87 #871D1B #4F871B #1B8587

split-complementary

#531B87 #85871B #1B871D

monochromatic

#140721 #341154 #531B87 #7225BA #9143D9

Accessibility & contrast

On white

11.20

#531B87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#531B87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #531B87

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##531B87	#FFFFFF	#000000	##FFFFFF
##531B87	1.00	11.20	1.87	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8A

Deuteranopia (green-blind)

#003B85

Tritanopia (blue-blind)

#483851

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #531b87;
/* rgb */ color: rgb(83, 27, 135);
/* oklch */ color: oklch(37.3% 0.166 302.2);

Tailwind

colors: {
  custom: {
    50: '#895eab',
    500: '#531b87',
    950: '#000000',
  },
}

SCSS

$custom: #531b87;
$custom-light: #895eab;
$custom-dark: #000000;

JSON

{
  "hex": "#531b87",
  "rgb": {
    "r": 83,
    "g": 27,
    "b": 135
  },
  "hsl": {
    "h": 271.111,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.37318,
    "c": 0.16606,
    "h": 302.2
  },
  "luminance": 0.04372
}

Semantic roles & 50–950 ramp

primary

#531B87

secondary

#7DBA44

accent

#EA3E91

background

#F8F5FA

surface

#F0E9F4

border

#CBC5CE

text

#0C0510

muted

#7D797F

Preview Lab

Preview with #531B87

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

Preview Lab → · Contrast checker → · Palette generator →