#831B87#831B87

#831B87 is a dark, vivid purple. Relative luminance 0.074; OKLCH L 44.3% C 0.183 H 326.4°. Best body text is #FFFFFF at 8.50:1 contrast (WCAG AA passes).

Color values

HEX	#831B87
RGB	rgb(131, 27, 135)
HSL	hsl(298, 67%, 32%)
HSV	hsv(298, 80%, 53%)
CMYK	cmyk(3%, 80%, 0%, 47.1%)
CIE-LAB	lab(32.61, 55.31, -36.31)
CIE-LCH	lch(32.61, 66.17, 326.71°)
OKLab	oklab(44.33% 0.1523 -0.101)
OKLCH	oklch(44.33% 0.183 326.4)
XYZ	xyz(14.1249, 7.3594, 23.5935)
Luminance	0.0736 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831B87 #1F871B

analogous

#4D1B87 #831B87 #871B55

triadic

#831B87 #87831B #1B8783

tetradic

#831B87 #874D1B #1F871B #1B5587

square

#831B87 #874D1B #1F871B #1B5587

split-complementary

#831B87 #55871B #1B874D

monochromatic

#200721 #521154 #831B87 #B425BA #D443D9

Accessibility & contrast

On white

8.50

#831B87 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#831B87 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831B87

8.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831B87	#FFFFFF	#000000	##FFFFFF
##831B87	1.00	8.50	2.47	8.50
#FFFFFF	8.50	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00448A

Deuteranopia (green-blind)

#375184

Tritanopia (blue-blind)

#872F51

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #831b87;
/* rgb */ color: rgb(131, 27, 135);
/* oklch */ color: oklch(44.3% 0.183 326.4);

Tailwind

colors: {
  custom: {
    50: '#ab65aa',
    500: '#831b87',
    950: '#000000',
  },
}

SCSS

$custom: #831b87;
$custom-light: #ab65aa;
$custom-dark: #000000;

JSON

{
  "hex": "#831b87",
  "rgb": {
    "r": 131,
    "g": 27,
    "b": 135
  },
  "hsl": {
    "h": 297.778,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.44332,
    "c": 0.18275,
    "h": 326.4
  },
  "luminance": 0.07358
}

Semantic roles & 50–950 ramp

primary

#831B87

secondary

#48BA44

accent

#EA3E45

background

#FAF6FA

surface

#F5EBF4

border

#CFC6CE

text

#100610

muted

#7F7A7F

Preview Lab

Preview with #831B87

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

Preview Lab → · Contrast checker → · Palette generator →