#831D28#831D28

#831D28 is a dark, vivid red. Relative luminance 0.059; OKLCH L 40.5% C 0.136 H 20.3°. Best body text is #FFFFFF at 9.67:1 contrast (WCAG AA passes).

Color values

HEX	#831D28
RGB	rgb(131, 29, 40)
HSL	hsl(354, 64%, 31%)
HSV	hsv(354, 78%, 51%)
CMYK	cmyk(0%, 77.9%, 69.5%, 48.6%)
CIE-LAB	lab(29.05, 43.28, 20.07)
CIE-LCH	lch(29.05, 47.71, 24.88°)
OKLab	oklab(40.52% 0.1278 0.0472)
OKLCH	oklch(40.52% 0.136 20.3)
XYZ	xyz(10.1836, 5.8588, 2.6017)
Luminance	0.0586 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831D28 #1D8378

analogous

#831D5B #831D28 #83451D

triadic

#831D28 #28831D #1D2883

tetradic

#831D28 #5B831D #1D8378 #451D83

square

#831D28 #5B831D #1D8378 #451D83

split-complementary

#831D28 #1D8345 #1D5B83

monochromatic

#1F0709 #511219 #831D28 #B52837 #D64554

Accessibility & contrast

On white

9.67

#831D28 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.17

#831D28 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831D28

9.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831D28	#FFFFFF	#000000	##FFFFFF
##831D28	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)

#3B3728

Deuteranopia (green-blind)

#544C25

Tritanopia (blue-blind)

#900022

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #831d28;
/* rgb */ color: rgb(131, 29, 40);
/* oklch */ color: oklch(40.5% 0.136 20.3);

Tailwind

colors: {
  custom: {
    50: '#ae6361',
    500: '#831d28',
    950: '#000000',
  },
}

SCSS

$custom: #831d28;
$custom-light: #ae6361;
$custom-dark: #000000;

JSON

{
  "hex": "#831d28",
  "rgb": {
    "r": 131,
    "g": 29,
    "b": 40
  },
  "hsl": {
    "h": 353.529,
    "s": 63.75,
    "l": 31.373
  },
  "oklch": {
    "l": 0.40523,
    "c": 0.13626,
    "h": 20.3
  },
  "luminance": 0.05857
}

Semantic roles & 50–950 ramp

primary

#831D28

secondary

#46B6AA

accent

#E7D541

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120605

muted

#817A79

Preview Lab

Preview with #831D28

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

Preview Lab → · Contrast checker → · Palette generator →