#81371B#81371B

#81371B is a dark, moderate orange. Relative luminance 0.075; OKLCH L 43.3% C 0.110 H 40.2°. Best body text is #FFFFFF at 8.41:1 contrast (WCAG AA passes).

Color values

HEX	#81371B
RGB	rgb(129, 55, 27)
HSL	hsl(16, 65%, 31%)
HSV	hsv(16, 79%, 51%)
CMYK	cmyk(0%, 57.4%, 79.1%, 49.4%)
CIE-LAB	lab(32.88, 30.14, 32.20)
CIE-LCH	lch(32.88, 44.11, 46.89°)
OKLab	oklab(43.27% 0.0842 0.0711)
OKLCH	oklch(43.27% 0.11 40.2)
XYZ	xyz(10.6184, 7.4800, 1.9213)
Luminance	0.0748 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81371B #1B6581

analogous

#811B32 #81371B #816A1B

triadic

#81371B #1B8137 #371B81

tetradic

#81371B #32811B #1B6581 #6A1B81

square

#81371B #32811B #1B6581 #6A1B81

split-complementary

#81371B #1B816A #1B3281

monochromatic

#1C0C06 #4E2110 #81371B #B44D26 #D7693F

Accessibility & contrast

On white

8.41

#81371B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.50

#81371B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #81371B

8.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81371B	#FFFFFF	#000000	##FFFFFF
##81371B	1.00	8.41	2.50	8.41
#FFFFFF	8.41	1.00	21.00	1.00
#000000	2.50	21.00	1.00	21.00
##FFFFFF	8.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4317

Deuteranopia (green-blind)

#5E5419

Tritanopia (blue-blind)

#8E2731

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #81371b;
/* rgb */ color: rgb(129, 55, 27);
/* oklch */ color: oklch(43.3% 0.110 40.2);

Tailwind

colors: {
  custom: {
    50: '#ac7059',
    500: '#81371b',
    950: '#000000',
  },
}

SCSS

$custom: #81371b;
$custom-light: #ac7059;
$custom-dark: #000000;

JSON

{
  "hex": "#81371b",
  "rgb": {
    "r": 129,
    "g": 55,
    "b": 27
  },
  "hsl": {
    "h": 16.471,
    "s": 65.385,
    "l": 30.588
  },
  "oklch": {
    "l": 0.43269,
    "c": 0.11015,
    "h": 40.2
  },
  "luminance": 0.07479
}

Semantic roles & 50–950 ramp

primary

#81371B

secondary

#4395B5

accent

#BAE83F

background

#FBF6F5

surface

#F6ECE9

border

#D0C7C5

text

#110703

muted

#807A78

Preview Lab

Preview with #81371B

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

Preview Lab → · Contrast checker → · Palette generator →