#873B1B#873B1B

#873B1B is a dark, moderate orange. Relative luminance 0.084; OKLCH L 44.9% C 0.113 H 41.7°. Best body text is #FFFFFF at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#873B1B
RGB	rgb(135, 59, 27)
HSL	hsl(18, 67%, 32%)
HSV	hsv(18, 80%, 53%)
CMYK	cmyk(0%, 56.3%, 80%, 47.1%)
CIE-LAB	lab(34.72, 30.49, 34.41)
CIE-LCH	lch(34.72, 45.97, 48.45°)
OKLab	oklab(44.87% 0.0846 0.0754)
OKLCH	oklch(44.87% 0.113 41.7)
XYZ	xyz(11.7547, 8.3595, 2.0313)
Luminance	0.0836 (WCAG relative)
Temperature	warm
Family	orange

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#873B1B #1B6787

analogous

#871B31 #873B1B #87711B

triadic

#873B1B #1B873B #3B1B87

tetradic

#873B1B #31871B #1B6787 #711B87

square

#873B1B #31871B #1B6787 #711B87

split-complementary

#873B1B #1B8771 #1B3187

monochromatic

#210E07 #542511 #873B1B #BA5125 #D97043

Accessibility & contrast

On white

7.86

#873B1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#873B1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #873B1B

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##873B1B	#FFFFFF	#000000	##FFFFFF
##873B1B	1.00	7.86	2.67	7.86
#FFFFFF	7.86	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#504717

Deuteranopia (green-blind)

#635819

Tritanopia (blue-blind)

#952A34

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #873b1b;
/* rgb */ color: rgb(135, 59, 27);
/* oklch */ color: oklch(44.9% 0.113 41.7);

Tailwind

colors: {
  custom: {
    50: '#b07359',
    500: '#873b1b',
    950: '#000000',
  },
}

SCSS

$custom: #873b1b;
$custom-light: #b07359;
$custom-dark: #000000;

JSON

{
  "hex": "#873b1b",
  "rgb": {
    "r": 135,
    "g": 59,
    "b": 27
  },
  "hsl": {
    "h": 17.778,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.4487,
    "c": 0.11335,
    "h": 41.7
  },
  "luminance": 0.08358
}

Semantic roles & 50–950 ramp

primary

#873B1B

secondary

#4497BA

accent

#B7EA3E

background

#FBF7F5

surface

#F6EDE9

border

#D0C8C5

text

#120804

muted

#817B79

Preview Lab

Preview with #873B1B

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

Preview Lab → · Contrast checker → · Palette generator →