#81551B#81551B

#81551B is a mid, moderate orange. Relative luminance 0.112; OKLCH L 48.7% C 0.092 H 69.3°. Best body text is #FFFFFF at 6.46:1 contrast (WCAG AA passes).

Color values

HEX	#81551B
RGB	rgb(129, 85, 27)
HSL	hsl(34, 65%, 31%)
HSV	hsv(34, 79%, 51%)
CMYK	cmyk(0%, 34.1%, 79.1%, 49.4%)
CIE-LAB	lab(39.99, 12.94, 39.32)
CIE-LCH	lch(39.99, 41.40, 71.78°)
OKLab	oklab(48.74% 0.0326 0.0864)
OKLCH	oklch(48.74% 0.092 69.3)
XYZ	xyz(12.5005, 11.2444, 2.5487)
Luminance	0.1124 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81551B #1B4781

analogous

#81221B #81551B #7A811B

triadic

#81551B #1B8155 #551B81

tetradic

#81551B #1B8122 #1B4781 #811B7A

square

#81551B #1B8122 #1B4781 #811B7A

split-complementary

#81551B #1B7A81 #221B81

monochromatic

#1C1206 #4E3410 #81551B #B47626 #D7963F

Accessibility & contrast

On white

6.46

#81551B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.25

#81551B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #81551B

6.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81551B	#FFFFFF	#000000	##FFFFFF
##81551B	1.00	6.46	3.25	6.46
#FFFFFF	6.46	1.00	21.00	1.00
#000000	3.25	21.00	1.00	21.00
##FFFFFF	6.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#645813

Deuteranopia (green-blind)

#6E621C

Tritanopia (blue-blind)

#8D4A49

Achromatopsia (no color)

#5E5E5E

Design tokens & code

CSS

--color: #81551b;
/* rgb */ color: rgb(129, 85, 27);
/* oklch */ color: oklch(48.7% 0.092 69.3);

Tailwind

colors: {
  custom: {
    50: '#aa845c',
    500: '#81551b',
    950: '#000000',
  },
}

SCSS

$custom: #81551b;
$custom-light: #aa845c;
$custom-dark: #000000;

JSON

{
  "hex": "#81551b",
  "rgb": {
    "r": 129,
    "g": 85,
    "b": 27
  },
  "hsl": {
    "h": 34.118,
    "s": 65.385,
    "l": 30.588
  },
  "oklch": {
    "l": 0.48742,
    "c": 0.09231,
    "h": 69.3
  },
  "luminance": 0.11243
}

Semantic roles & 50–950 ramp

primary

#81551B

secondary

#4374B5

accent

#88E83F

background

#FBF8F5

surface

#F6EFE9

border

#D0CAC5

text

#110B04

muted

#807C79

Preview Lab

Preview with #81551B

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

Preview Lab → · Contrast checker → · Palette generator →