#831B74#831B74

#831B74 is a dark, vivid purple. Relative luminance 0.069; OKLCH L 43.2% C 0.168 H 334.8°. Best body text is #FFFFFF at 8.85:1 contrast (WCAG AA passes).

Color values

HEX	#831B74
RGB	rgb(131, 27, 116)
HSL	hsl(309, 66%, 31%)
HSV	hsv(309, 79%, 51%)
CMYK	cmyk(0%, 79.4%, 11.5%, 48.6%)
CIE-LAB	lab(31.51, 52.19, -26.13)
CIE-LCH	lch(31.51, 58.36, 333.41°)
OKLab	oklab(43.19% 0.1523 -0.0715)
OKLCH	oklch(43.19% 0.168 334.8)
XYZ	xyz(12.9046, 6.8713, 17.1663)
Luminance	0.0687 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831B74 #1B832A

analogous

#5E1B83 #831B74 #831B40

triadic

#831B74 #74831B #1B7483

tetradic

#831B74 #835E1B #1B832A #1B4083

square

#831B74 #835E1B #1B832A #1B4083

split-complementary

#831B74 #40831B #1B835E

monochromatic

#1E061A #501147 #831B74 #B625A1 #D841C2

Accessibility & contrast

On white

8.85

#831B74 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.37

#831B74 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831B74

8.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831B74	#FFFFFF	#000000	##FFFFFF
##831B74	1.00	8.85	2.37	8.85
#FFFFFF	8.85	1.00	21.00	1.00
#000000	2.37	21.00	1.00	21.00
##FFFFFF	8.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A4076

Deuteranopia (green-blind)

#415072

Tritanopia (blue-blind)

#8A2546

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #831b74;
/* rgb */ color: rgb(131, 27, 116);
/* oklch */ color: oklch(43.2% 0.168 334.8);

Tailwind

colors: {
  custom: {
    50: '#ab649c',
    500: '#831b74',
    950: '#000000',
  },
}

SCSS

$custom: #831b74;
$custom-light: #ab649c;
$custom-dark: #000000;

JSON

{
  "hex": "#831b74",
  "rgb": {
    "r": 131,
    "g": 27,
    "b": 116
  },
  "hsl": {
    "h": 308.654,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.43193,
    "c": 0.1682,
    "h": 334.8
  },
  "luminance": 0.0687
}

Semantic roles & 50–950 ramp

primary

#831B74

secondary

#43B654

accent

#E9583F

background

#FAF6F9

surface

#F4EBF2

border

#CEC6CC

text

#10060E

muted

#7F7A7E

Preview Lab

Preview with #831B74

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

Preview Lab → · Contrast checker → · Palette generator →