#831B79#831B79

#831B79 is a dark, vivid purple. Relative luminance 0.070; OKLCH L 43.5% C 0.172 H 332.5°. Best body text is #FFFFFF at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#831B79
RGB	rgb(131, 27, 121)
HSL	hsl(306, 66%, 31%)
HSV	hsv(306, 79%, 51%)
CMYK	cmyk(0%, 79.4%, 7.6%, 48.6%)
CIE-LAB	lab(31.79, 52.98, -28.86)
CIE-LCH	lch(31.79, 60.33, 331.42°)
OKLab	oklab(43.48% 0.1525 -0.0794)
OKLCH	oklch(43.48% 0.172 332.5)
XYZ	xyz(13.2033, 6.9908, 18.7394)
Luminance	0.0699 (WCAG relative)
Temperature	neutral
Family	purple

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831B79 #1B8325

analogous

#591B83 #831B79 #831B45

triadic

#831B79 #79831B #1B7983

tetradic

#831B79 #83591B #1B8325 #1B4583

square

#831B79 #83591B #1B8325 #1B4583

split-complementary

#831B79 #45831B #1B8359

monochromatic

#1E061B #50114A #831B79 #B625A8 #D841C9

Accessibility & contrast

On white

8.76

#831B79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.40

#831B79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831B79

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831B79	#FFFFFF	#000000	##FFFFFF
##831B79	1.00	8.76	2.40	8.76
#FFFFFF	8.76	1.00	21.00	1.00
#000000	2.40	21.00	1.00	21.00
##FFFFFF	8.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#14417B

Deuteranopia (green-blind)

#3F5077

Tritanopia (blue-blind)

#892749

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #831b79;
/* rgb */ color: rgb(131, 27, 121);
/* oklch */ color: oklch(43.5% 0.172 332.5);

Tailwind

colors: {
  custom: {
    50: '#ab65a0',
    500: '#831b79',
    950: '#000000',
  },
}

SCSS

$custom: #831b79;
$custom-light: #ab65a0;
$custom-dark: #000000;

JSON

{
  "hex": "#831b79",
  "rgb": {
    "r": 131,
    "g": 27,
    "b": 121
  },
  "hsl": {
    "h": 305.769,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.43478,
    "c": 0.17191,
    "h": 332.5
  },
  "luminance": 0.0699
}

Semantic roles & 50–950 ramp

primary

#831B79

secondary

#43B64E

accent

#E94F3F

background

#FAF6F9

surface

#F4EBF2

border

#CEC6CC

text

#10060E

muted

#7F7A7E

Preview Lab

Preview with #831B79

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

Preview Lab → · Contrast checker → · Palette generator →