#831A1E#831A1E

#831A1E is a dark, vivid red. Relative luminance 0.057; OKLCH L 40.1% C 0.140 H 24.5°. Best body text is #FFFFFF at 9.85:1 contrast (WCAG AA passes).

Color values

HEX	#831A1E
RGB	rgb(131, 26, 30)
HSL	hsl(358, 67%, 31%)
HSV	hsv(358, 80%, 51%)
CMYK	cmyk(0%, 80.2%, 77.1%, 48.6%)
CIE-LAB	lab(28.54, 43.80, 25.88)
CIE-LCH	lch(28.54, 50.87, 30.58°)
OKLab	oklab(40.09% 0.1271 0.058)
OKLCH	oklch(40.09% 0.14 24.5)
XYZ	xyz(9.9650, 5.6594, 1.7957)
Luminance	0.0566 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831A1E #1A837F

analogous

#831A52 #831A1E #834A1A

triadic

#831A1E #1E831A #1A1E83

tetradic

#831A1E #52831A #1A837F #4A1A83

square

#831A1E #52831A #1A837F #4A1A83

split-complementary

#831A1E #1A834A #1A5283

monochromatic

#1D0607 #501012 #831A1E #B6242A #D93F44

Accessibility & contrast

On white

9.85

#831A1E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#831A1E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831A1E

9.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831A1E	#FFFFFF	#000000	##FFFFFF
##831A1E	1.00	9.85	2.13	9.85
#FFFFFF	9.85	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A351D

Deuteranopia (green-blind)

#544B1A

Tritanopia (blue-blind)

#91001D

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #831a1e;
/* rgb */ color: rgb(131, 26, 30);
/* oklch */ color: oklch(40.1% 0.140 24.5);

Tailwind

colors: {
  custom: {
    50: '#af615a',
    500: '#831a1e',
    950: '#000000',
  },
}

SCSS

$custom: #831a1e;
$custom-light: #af615a;
$custom-dark: #000000;

JSON

{
  "hex": "#831a1e",
  "rgb": {
    "r": 131,
    "g": 26,
    "b": 30
  },
  "hsl": {
    "h": 357.714,
    "s": 66.879,
    "l": 30.784
  },
  "oklch": {
    "l": 0.40089,
    "c": 0.13974,
    "h": 24.5
  },
  "luminance": 0.05658
}

Semantic roles & 50–950 ramp

primary

#831A1E

secondary

#42B7B2

accent

#EAE33E

background

#FBF6F5

surface

#F6EBE9

border

#D0C6C5

text

#120503

muted

#817A78

Preview Lab

Preview with #831A1E

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

Preview Lab → · Contrast checker → · Palette generator →