#831E2B#831E2B

#831E2B is a dark, vivid red. Relative luminance 0.059; OKLCH L 40.7% C 0.135 H 18.9°. Best body text is #FFFFFF at 9.61:1 contrast (WCAG AA passes).

Color values

HEX	#831E2B
RGB	rgb(131, 30, 43)
HSL	hsl(352, 63%, 32%)
HSV	hsv(352, 77%, 51%)
CMYK	cmyk(0%, 77.1%, 67.2%, 48.6%)
CIE-LAB	lab(29.23, 43.11, 18.34)
CIE-LCH	lch(29.23, 46.84, 23.04°)
OKLab	oklab(40.67% 0.1279 0.0437)
OKLCH	oklch(40.67% 0.135 18.9)
XYZ	xyz(10.2615, 5.9298, 2.8893)
Luminance	0.0593 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#831E2B #1E8376

analogous

#831E5E #831E2B #83441E

triadic

#831E2B #2B831E #1E2B83

tetradic

#831E2B #5E831E #1E8376 #441E83

square

#831E2B #5E831E #1E8376 #441E83

split-complementary

#831E2B #1E8344 #1E5E83

monochromatic

#1F070A #51131B #831E2B #B5293B #D54759

Accessibility & contrast

On white

9.61

#831E2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#831E2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #831E2B

9.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##831E2B	#FFFFFF	#000000	##FFFFFF
##831E2B	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)

#3B372B

Deuteranopia (green-blind)

#544D28

Tritanopia (blue-blind)

#900024

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #831e2b;
/* rgb */ color: rgb(131, 30, 43);
/* oklch */ color: oklch(40.7% 0.135 18.9);

Tailwind

colors: {
  custom: {
    50: '#ae6364',
    500: '#831e2b',
    950: '#000000',
  },
}

SCSS

$custom: #831e2b;
$custom-light: #ae6364;
$custom-dark: #000000;

JSON

{
  "hex": "#831e2b",
  "rgb": {
    "r": 131,
    "g": 30,
    "b": 43
  },
  "hsl": {
    "h": 352.277,
    "s": 62.733,
    "l": 31.569
  },
  "oklch": {
    "l": 0.40675,
    "c": 0.13517,
    "h": 18.9
  },
  "luminance": 0.05928
}

Semantic roles & 50–950 ramp

primary

#831E2B

secondary

#47B6A8

accent

#E6D142

background

#FBF6F5

surface

#F6EBEA

border

#D0C6C6

text

#120605

muted

#817A79

Preview Lab

Preview with #831E2B

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

Preview Lab → · Contrast checker → · Palette generator →