#831D31#831D31

#831D31 is a dark, vivid red. Relative luminance 0.059; OKLCH L 40.7% C 0.136 H 15.0°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#831D31
RGB	rgb(131, 29, 49)
HSL	hsl(348, 64%, 31%)
HSV	hsv(348, 78%, 51%)
CMYK	cmyk(0%, 77.9%, 62.6%, 48.6%)
CIE-LAB	lab(29.23, 43.85, 14.36)
CIE-LCH	lch(29.23, 46.15, 18.14°)
OKLab	oklab(40.71% 0.1316 0.0351)
OKLCH	oklch(40.71% 0.136 15)
XYZ	xyz(10.3549, 5.9273, 3.5040)
Luminance	0.0593 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831D31 #1D836F

analogous

#831D64 #831D31 #833C1D

triadic

#831D31 #31831D #1D3183

tetradic

#831D31 #64831D #1D836F #3C1D83

square

#831D31 #64831D #1D836F #3C1D83

split-complementary

#831D31 #1D833C #1D6483

monochromatic

#1F070C #51121E #831D31 #B52844 #D64561

Accessibility & contrast

On white

9.61

#831D31 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#831D31 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831D31

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831D31	#FFFFFF	#000000	##FFFFFF
##831D31	1.00	9.61	2.19	9.61
#FFFFFF	9.61	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393731

Deuteranopia (green-blind)

#534D2E

Tritanopia (blue-blind)

#900025

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #831d31;
/* rgb */ color: rgb(131, 29, 49);
/* oklch */ color: oklch(40.7% 0.136 15.0);

Tailwind

colors: {
  custom: {
    50: '#ad6368',
    500: '#831d31',
    950: '#000000',
  },
}

SCSS

$custom: #831d31;
$custom-light: #ad6368;
$custom-dark: #000000;

JSON

{
  "hex": "#831d31",
  "rgb": {
    "r": 131,
    "g": 29,
    "b": 49
  },
  "hsl": {
    "h": 348.235,
    "s": 63.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.40709,
    "c": 0.13618,
    "h": 15
  },
  "luminance": 0.05926
}

Semantic roles & 50–950 ramp

primary

#831D31

secondary

#46B6A0

accent

#E7C641

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#110606

muted

#807A7A

Preview Lab

Preview with #831D31

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

Preview Lab → · Contrast checker → · Palette generator →