#831B34#831B34

#831B34 is a dark, vivid red. Relative luminance 0.059; OKLCH L 40.6% C 0.138 H 12.6°. Best body text is #FFFFFF at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#831B34
RGB	rgb(131, 27, 52)
HSL	hsl(346, 66%, 31%)
HSV	hsv(346, 79%, 51%)
CMYK	cmyk(0%, 79.4%, 60.3%, 48.6%)
CIE-LAB	lab(29.05, 44.75, 12.13)
CIE-LCH	lch(29.05, 46.36, 15.17°)
OKLab	oklab(40.6% 0.135 0.0301)
OKLCH	oklch(40.6% 0.138 12.6)
XYZ	xyz(10.3729, 5.8586, 3.8328)
Luminance	0.0586 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831B34 #1B836A

analogous

#831B68 #831B34 #83361B

triadic

#831B34 #34831B #1B3483

tetradic

#831B34 #68831B #1B836A #361B83

square

#831B34 #68831B #1B836A #361B83

split-complementary

#831B34 #1B8336 #1B6883

monochromatic

#1E060C #501120 #831B34 #B62548 #D84165

Accessibility & contrast

On white

9.67

#831B34 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#831B34 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831B34

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831B34	#FFFFFF	#000000	##FFFFFF
##831B34	1.00	9.67	2.17	9.67
#FFFFFF	9.67	1.00	21.00	1.00
#000000	2.17	21.00	1.00	21.00
##FFFFFF	9.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383734

Deuteranopia (green-blind)

#524C31

Tritanopia (blue-blind)

#900026

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #831b34;
/* rgb */ color: rgb(131, 27, 52);
/* oklch */ color: oklch(40.6% 0.138 12.6);

Tailwind

colors: {
  custom: {
    50: '#ad626b',
    500: '#831b34',
    950: '#000000',
  },
}

SCSS

$custom: #831b34;
$custom-light: #ad626b;
$custom-dark: #000000;

JSON

{
  "hex": "#831b34",
  "rgb": {
    "r": 131,
    "g": 27,
    "b": 52
  },
  "hsl": {
    "h": 345.577,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.40601,
    "c": 0.13833,
    "h": 12.6
  },
  "luminance": 0.05857
}

Semantic roles & 50–950 ramp

primary

#831B34

secondary

#43B69B

accent

#E9C03F

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#110606

muted

#807A7A

Preview Lab

Preview with #831B34

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

Preview Lab → · Contrast checker → · Palette generator →