#83371B#83371B

#83371B is a dark, moderate orange. Relative luminance 0.076; OKLCH L 43.6% C 0.112 H 39.8°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#83371B
RGB	rgb(131, 55, 27)
HSL	hsl(16, 66%, 31%)
HSV	hsv(16, 79%, 51%)
CMYK	cmyk(0%, 58%, 79.4%, 48.6%)
CIE-LAB	lab(33.22, 30.96, 32.66)
CIE-LCH	lch(33.22, 45.00, 46.53°)
OKLab	oklab(43.6% 0.0865 0.0719)
OKLCH	oklch(43.6% 0.112 39.8)
XYZ	xyz(10.9252, 7.6382, 1.9357)
Luminance	0.0764 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#83371B #1B6783

analogous

#831B33 #83371B #836B1B

triadic

#83371B #1B8337 #371B83

tetradic

#83371B #33831B #1B6783 #6B1B83

square

#83371B #33831B #1B6783 #6B1B83

split-complementary

#83371B #1B836B #1B3383

monochromatic

#1E0C06 #502211 #83371B #B64C25 #D86941

Accessibility & contrast

On white

8.31

#83371B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#83371B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #83371B

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##83371B	#FFFFFF	#000000	##FFFFFF
##83371B	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#4C4417

Deuteranopia (green-blind)

#5F5519

Tritanopia (blue-blind)

#902631

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #83371b;
/* rgb */ color: rgb(131, 55, 27);
/* oklch */ color: oklch(43.6% 0.112 39.8);

Tailwind

colors: {
  custom: {
    50: '#ae7059',
    500: '#83371b',
    950: '#000000',
  },
}

SCSS

$custom: #83371b;
$custom-light: #ae7059;
$custom-dark: #000000;

JSON

{
  "hex": "#83371b",
  "rgb": {
    "r": 131,
    "g": 55,
    "b": 27
  },
  "hsl": {
    "h": 16.154,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.43596,
    "c": 0.11247,
    "h": 39.8
  },
  "luminance": 0.07637
}

Semantic roles & 50–950 ramp

primary

#83371B

secondary

#4397B6

accent

#BBE93F

background

#FBF6F5

surface

#F6ECE9

border

#D0C7C5

text

#110803

muted

#807B78

Preview Lab

Preview with #83371B

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

Preview Lab → · Contrast checker → · Palette generator →