#87311F#87311F

#87311F is a dark, vivid red. Relative luminance 0.074; OKLCH L 43.4% C 0.122 H 33.5°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#87311F
RGB	rgb(135, 49, 31)
HSL	hsl(10, 63%, 33%)
HSV	hsv(10, 77%, 53%)
CMYK	cmyk(0%, 63.7%, 77%, 47.1%)
CIE-LAB	lab(32.81, 35.77, 30.20)
CIE-LCH	lch(32.81, 46.81, 40.18°)
OKLab	oklab(43.43% 0.1017 0.0674)
OKLCH	oklch(43.43% 0.122 33.5)
XYZ	xyz(11.3385, 7.4480, 2.1366)
Luminance	0.0745 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#87311F #1F7587

analogous

#871F41 #87311F #87651F

triadic

#87311F #1F8731 #311F87

tetradic

#87311F #41871F #1F7587 #651F87

square

#87311F #41871F #1F7587 #651F87

split-complementary

#87311F #1F8765 #1F4187

monochromatic

#230D08 #551F14 #87311F #B9432A #D6634B

Accessibility & contrast

On white

8.44

#87311F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#87311F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #87311F

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##87311F	#FFFFFF	#000000	##FFFFFF
##87311F	1.00	8.44	2.49	8.44
#FFFFFF	8.44	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#49411D

Deuteranopia (green-blind)

#5E541C

Tritanopia (blue-blind)

#951C2D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #87311f;
/* rgb */ color: rgb(135, 49, 31);
/* oklch */ color: oklch(43.4% 0.122 33.5);

Tailwind

colors: {
  custom: {
    50: '#b16d5b',
    500: '#87311f',
    950: '#000000',
  },
}

SCSS

$custom: #87311f;
$custom-light: #b16d5b;
$custom-dark: #000000;

JSON

{
  "hex": "#87311f",
  "rgb": {
    "r": 135,
    "g": 49,
    "b": 31
  },
  "hsl": {
    "h": 10.385,
    "s": 62.651,
    "l": 32.549
  },
  "oklch": {
    "l": 0.43433,
    "c": 0.12197,
    "h": 33.5
  },
  "luminance": 0.07446
}

Semantic roles & 50–950 ramp

primary

#87311F

secondary

#4AA5B8

accent

#C9E642

background

#FBF6F5

surface

#F6ECE9

border

#D0C7C5

text

#120704

muted

#817A79

Preview Lab

Preview with #87311F

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

Preview Lab → · Contrast checker → · Palette generator →