#831D2F#831D2F

#831D2F is a dark, vivid red. Relative luminance 0.059; OKLCH L 40.7% C 0.136 H 16.2°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#831D2F
RGB	rgb(131, 29, 47)
HSL	hsl(349, 64%, 31%)
HSV	hsv(349, 78%, 51%)
CMYK	cmyk(0%, 77.9%, 64.1%, 48.6%)
CIE-LAB	lab(29.19, 43.72, 15.64)
CIE-LCH	lch(29.19, 46.43, 19.68°)
OKLab	oklab(40.66% 0.1307 0.0379)
OKLCH	oklch(40.66% 0.136 16.2)
XYZ	xyz(10.3136, 5.9108, 3.2866)
Luminance	0.0591 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831D2F #1D8371

analogous

#831D62 #831D2F #833E1D

triadic

#831D2F #2F831D #1D2F83

tetradic

#831D2F #62831D #1D8371 #3E1D83

square

#831D2F #62831D #1D8371 #3E1D83

split-complementary

#831D2F #1D833E #1D6283

monochromatic

#1F070B #51121D #831D2F #B52841 #D6455E

Accessibility & contrast

On white

9.63

#831D2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#831D2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831D2F

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831D2F	#FFFFFF	#000000	##FFFFFF
##831D2F	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)

#3A372F

Deuteranopia (green-blind)

#534C2C

Tritanopia (blue-blind)

#900025

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #831d2f;
/* rgb */ color: rgb(131, 29, 47);
/* oklch */ color: oklch(40.7% 0.136 16.2);

Tailwind

colors: {
  custom: {
    50: '#ad6367',
    500: '#831d2f',
    950: '#000000',
  },
}

SCSS

$custom: #831d2f;
$custom-light: #ad6367;
$custom-dark: #000000;

JSON

{
  "hex": "#831d2f",
  "rgb": {
    "r": 131,
    "g": 29,
    "b": 47
  },
  "hsl": {
    "h": 349.412,
    "s": 63.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.40664,
    "c": 0.13612,
    "h": 16.2
  },
  "luminance": 0.05909
}

Semantic roles & 50–950 ramp

primary

#831D2F

secondary

#46B6A2

accent

#E7CA41

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#110606

muted

#807A7A

Preview Lab

Preview with #831D2F

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

Preview Lab → · Contrast checker → · Palette generator →