#81531B#81531B

#81531B is a mid, moderate orange. Relative luminance 0.109; OKLCH L 48.3% C 0.093 H 67.1°. Best body text is #FFFFFF at 6.59:1 contrast (WCAG AA passes).

Color values

HEX	#81531B
RGB	rgb(129, 83, 27)
HSL	hsl(33, 65%, 31%)
HSV	hsv(33, 79%, 51%)
CMYK	cmyk(0%, 35.7%, 79.1%, 49.4%)
CIE-LAB	lab(39.47, 14.13, 38.81)
CIE-LCH	lch(39.47, 41.30, 70.00°)
OKLab	oklab(48.34% 0.0361 0.0853)
OKLCH	oklch(48.34% 0.093 67.1)
XYZ	xyz(12.3453, 10.9339, 2.4970)
Luminance	0.1093 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81531B #1B4981

analogous

#81201B #81531B #7C811B

triadic

#81531B #1B8153 #531B81

tetradic

#81531B #1B8120 #1B4981 #811B7C

square

#81531B #1B8120 #1B4981 #811B7C

split-complementary

#81531B #1B7C81 #201B81

monochromatic

#1C1206 #4E3210 #81531B #B47426 #D7933F

Accessibility & contrast

On white

6.59

#81531B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.19

#81531B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #81531B

6.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81531B	#FFFFFF	#000000	##FFFFFF
##81531B	1.00	6.59	3.19	6.59
#FFFFFF	6.59	1.00	21.00	1.00
#000000	3.19	21.00	1.00	21.00
##FFFFFF	6.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#625713

Deuteranopia (green-blind)

#6D611C

Tritanopia (blue-blind)

#8D4848

Achromatopsia (no color)

#5D5D5D

Design tokens & code

CSS

--color: #81531b;
/* rgb */ color: rgb(129, 83, 27);
/* oklch */ color: oklch(48.3% 0.093 67.1);

Tailwind

colors: {
  custom: {
    50: '#aa835b',
    500: '#81531b',
    950: '#000000',
  },
}

SCSS

$custom: #81531b;
$custom-light: #aa835b;
$custom-dark: #000000;

JSON

{
  "hex": "#81531b",
  "rgb": {
    "r": 129,
    "g": 83,
    "b": 27
  },
  "hsl": {
    "h": 32.941,
    "s": 65.385,
    "l": 30.588
  },
  "oklch": {
    "l": 0.48337,
    "c": 0.09259,
    "h": 67.1
  },
  "luminance": 0.10933
}

Semantic roles & 50–950 ramp

primary

#81531B

secondary

#4376B5

accent

#8CE83F

background

#FBF8F5

surface

#F6EFE9

border

#D0CAC5

text

#110A04

muted

#807C79

Preview Lab

Preview with #81531B

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

Preview Lab → · Contrast checker → · Palette generator →