#87311B#87311B

#87311B is a dark, vivid red. Relative luminance 0.074; OKLCH L 43.4% C 0.123 H 35.3°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#87311B
RGB	rgb(135, 49, 27)
HSL	hsl(12, 67%, 32%)
HSV	hsv(12, 80%, 53%)
CMYK	cmyk(0%, 63.7%, 80%, 47.1%)
CIE-LAB	lab(32.76, 35.59, 32.42)
CIE-LCH	lch(32.76, 48.14, 42.33°)
OKLab	oklab(43.39% 0.1003 0.0711)
OKLCH	oklch(43.39% 0.123 35.3)
XYZ	xyz(11.2890, 7.4282, 1.8760)
Luminance	0.0743 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#87311B #1B7187

analogous

#871B3B #87311B #87671B

triadic

#87311B #1B8731 #311B87

tetradic

#87311B #3B871B #1B7187 #671B87

square

#87311B #3B871B #1B7187 #671B87

split-complementary

#87311B #1B8767 #1B3B87

monochromatic

#210C07 #541E11 #87311B #BA4425 #D96243

Accessibility & contrast

On white

8.45

#87311B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#87311B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #87311B

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##87311B	#FFFFFF	#000000	##FFFFFF
##87311B	1.00	8.45	2.49	8.45
#FFFFFF	8.45	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#494118

Deuteranopia (green-blind)

#5E5418

Tritanopia (blue-blind)

#951B2D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #87311b;
/* rgb */ color: rgb(135, 49, 27);
/* oklch */ color: oklch(43.4% 0.123 35.3);

Tailwind

colors: {
  custom: {
    50: '#b16d59',
    500: '#87311b',
    950: '#000000',
  },
}

SCSS

$custom: #87311b;
$custom-light: #b16d59;
$custom-dark: #000000;

JSON

{
  "hex": "#87311b",
  "rgb": {
    "r": 135,
    "g": 49,
    "b": 27
  },
  "hsl": {
    "h": 12.222,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.43387,
    "c": 0.12296,
    "h": 35.3
  },
  "luminance": 0.07427
}

Semantic roles & 50–950 ramp

primary

#87311B

secondary

#44A2BA

accent

#C7EA3E

background

#FBF6F5

surface

#F6ECE9

border

#D0C7C5

text

#120703

muted

#817A78

Preview Lab

Preview with #87311B

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

Preview Lab → · Contrast checker → · Palette generator →