#831D2E#831D2E

#831D2E is a dark, vivid red. Relative luminance 0.059; OKLCH L 40.6% C 0.136 H 16.8°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#831D2E
RGB	rgb(131, 29, 46)
HSL	hsl(350, 64%, 31%)
HSV	hsv(350, 78%, 51%)
CMYK	cmyk(0%, 77.9%, 64.9%, 48.6%)
CIE-LAB	lab(29.17, 43.65, 16.27)
CIE-LCH	lch(29.17, 46.58, 20.44°)
OKLab	oklab(40.64% 0.1303 0.0393)
OKLCH	oklch(40.64% 0.136 16.8)
XYZ	xyz(10.2937, 5.9028, 3.1816)
Luminance	0.0590 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831D2E #1D8372

analogous

#831D61 #831D2E #833F1D

triadic

#831D2E #2E831D #1D2E83

tetradic

#831D2E #61831D #1D8372 #3F1D83

square

#831D2E #61831D #1D8372 #3F1D83

split-complementary

#831D2E #1D833F #1D6183

monochromatic

#1F070B #51121C #831D2E #B52840 #D6455D

Accessibility & contrast

On white

9.63

#831D2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#831D2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831D2E

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831D2E	#FFFFFF	#000000	##FFFFFF
##831D2E	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A372E

Deuteranopia (green-blind)

#544C2B

Tritanopia (blue-blind)

#900024

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #831d2e;
/* rgb */ color: rgb(131, 29, 46);
/* oklch */ color: oklch(40.6% 0.136 16.8);

Tailwind

colors: {
  custom: {
    50: '#ae6366',
    500: '#831d2e',
    950: '#000000',
  },
}

SCSS

$custom: #831d2e;
$custom-light: #ae6366;
$custom-dark: #000000;

JSON

{
  "hex": "#831d2e",
  "rgb": {
    "r": 131,
    "g": 29,
    "b": 46
  },
  "hsl": {
    "h": 350,
    "s": 63.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.40643,
    "c": 0.1361,
    "h": 16.8
  },
  "luminance": 0.05901
}

Semantic roles & 50–950 ramp

primary

#831D2E

secondary

#46B6A3

accent

#E7CB41

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#110605

muted

#807A7A

Preview Lab

Preview with #831D2E

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

Preview Lab → · Contrast checker → · Palette generator →