#83391B#83391B

#83391B is a dark, moderate orange. Relative luminance 0.078; OKLCH L 43.9% C 0.111 H 41.2°. Best body text is #FFFFFF at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#83391B
RGB	rgb(131, 57, 27)
HSL	hsl(17, 66%, 31%)
HSV	hsv(17, 79%, 51%)
CMYK	cmyk(0%, 56.5%, 79.4%, 48.6%)
CIE-LAB	lab(33.63, 29.90, 33.08)
CIE-LCH	lch(33.63, 44.59, 47.89°)
OKLab	oklab(43.91% 0.0832 0.0728)
OKLCH	oklch(43.91% 0.111 41.2)
XYZ	xyz(11.0221, 7.8321, 1.9680)
Luminance	0.0783 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#83391B #1B6583

analogous

#831B31 #83391B #836D1B

triadic

#83391B #1B8339 #391B83

tetradic

#83391B #31831B #1B6583 #6D1B83

square

#83391B #31831B #1B6583 #6D1B83

split-complementary

#83391B #1B836D #1B3183

monochromatic

#1E0D06 #502311 #83391B #B64F25 #D86C41

Accessibility & contrast

On white

8.18

#83391B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.57

#83391B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #83391B

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##83391B	#FFFFFF	#000000	##FFFFFF
##83391B	1.00	8.18	2.57	8.18
#FFFFFF	8.18	1.00	21.00	1.00
#000000	2.57	21.00	1.00	21.00
##FFFFFF	8.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4E4517

Deuteranopia (green-blind)

#605519

Tritanopia (blue-blind)

#902933

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #83391b;
/* rgb */ color: rgb(131, 57, 27);
/* oklch */ color: oklch(43.9% 0.111 41.2);

Tailwind

colors: {
  custom: {
    50: '#ad7159',
    500: '#83391b',
    950: '#000000',
  },
}

SCSS

$custom: #83391b;
$custom-light: #ad7159;
$custom-dark: #000000;

JSON

{
  "hex": "#83391b",
  "rgb": {
    "r": 131,
    "g": 57,
    "b": 27
  },
  "hsl": {
    "h": 17.308,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.43909,
    "c": 0.11059,
    "h": 41.2
  },
  "luminance": 0.07831
}

Semantic roles & 50–950 ramp

primary

#83391B

secondary

#4395B6

accent

#B8E93F

background

#FBF6F5

surface

#F6ECE9

border

#D0C7C5

text

#110803

muted

#807B78

Preview Lab

Preview with #83391B

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

Preview Lab → · Contrast checker → · Palette generator →