#831D35#831D35

#831D35 is a dark, vivid red. Relative luminance 0.060; OKLCH L 40.8% C 0.136 H 12.5°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#831D35
RGB	rgb(131, 29, 53)
HSL	hsl(346, 64%, 31%)
HSV	hsv(346, 78%, 51%)
CMYK	cmyk(0%, 77.9%, 59.5%, 48.6%)
CIE-LAB	lab(29.32, 44.14, 11.82)
CIE-LCH	lch(29.32, 45.70, 14.99°)
OKLab	oklab(40.8% 0.1333 0.0294)
OKLCH	oklch(40.8% 0.136 12.5)
XYZ	xyz(10.4431, 5.9626, 3.9685)
Luminance	0.0596 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831D35 #1D836B

analogous

#831D68 #831D35 #83381D

triadic

#831D35 #35831D #1D3583

tetradic

#831D35 #68831D #1D836B #381D83

square

#831D35 #68831D #1D836B #381D83

split-complementary

#831D35 #1D8338 #1D6883

monochromatic

#1F070C #511221 #831D35 #B52849 #D64567

Accessibility & contrast

On white

9.58

#831D35 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#831D35 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831D35

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831D35	#FFFFFF	#000000	##FFFFFF
##831D35	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383835

Deuteranopia (green-blind)

#534D32

Tritanopia (blue-blind)

#900027

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #831d35;
/* rgb */ color: rgb(131, 29, 53);
/* oklch */ color: oklch(40.8% 0.136 12.5);

Tailwind

colors: {
  custom: {
    50: '#ad636c',
    500: '#831d35',
    950: '#000000',
  },
}

SCSS

$custom: #831d35;
$custom-light: #ad636c;
$custom-dark: #000000;

JSON

{
  "hex": "#831d35",
  "rgb": {
    "r": 131,
    "g": 29,
    "b": 53
  },
  "hsl": {
    "h": 345.882,
    "s": 63.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.40804,
    "c": 0.13646,
    "h": 12.5
  },
  "luminance": 0.05961
}

Semantic roles & 50–950 ramp

primary

#831D35

secondary

#46B69C

accent

#E7C041

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#110606

muted

#807A7A

Preview Lab

Preview with #831D35

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

Preview Lab → · Contrast checker → · Palette generator →