#87311D#87311D

#87311D is a dark, vivid red. Relative luminance 0.074; OKLCH L 43.4% C 0.122 H 34.5°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#87311D
RGB	rgb(135, 49, 29)
HSL	hsl(11, 65%, 32%)
HSV	hsv(11, 79%, 53%)
CMYK	cmyk(0%, 63.7%, 78.5%, 47.1%)
CIE-LAB	lab(32.78, 35.68, 31.32)
CIE-LCH	lch(32.78, 47.48, 41.28°)
OKLab	oklab(43.41% 0.101 0.0693)
OKLCH	oklch(43.41% 0.122 34.5)
XYZ	xyz(11.3130, 7.4378, 2.0021)
Luminance	0.0744 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#87311D #1D7387

analogous

#871D3E #87311D #87661D

triadic

#87311D #1D8731 #311D87

tetradic

#87311D #3E871D #1D7387 #661D87

square

#87311D #3E871D #1D7387 #661D87

split-complementary

#87311D #1D8766 #1D3E87

monochromatic

#220C07 #551F12 #87311D #B94328 #D76247

Accessibility & contrast

On white

8.44

#87311D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#87311D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #87311D

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##87311D	#FFFFFF	#000000	##FFFFFF
##87311D	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)

#49411A

Deuteranopia (green-blind)

#5E541A

Tritanopia (blue-blind)

#951C2D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #87311d;
/* rgb */ color: rgb(135, 49, 29);
/* oklch */ color: oklch(43.4% 0.122 34.5);

Tailwind

colors: {
  custom: {
    50: '#b16d5a',
    500: '#87311d',
    950: '#000000',
  },
}

SCSS

$custom: #87311d;
$custom-light: #b16d5a;
$custom-dark: #000000;

JSON

{
  "hex": "#87311d",
  "rgb": {
    "r": 135,
    "g": 49,
    "b": 29
  },
  "hsl": {
    "h": 11.321,
    "s": 64.634,
    "l": 32.157
  },
  "oklch": {
    "l": 0.4341,
    "c": 0.12246,
    "h": 34.5
  },
  "luminance": 0.07436
}

Semantic roles & 50–950 ramp

primary

#87311D

secondary

#46A4B9

accent

#C8E840

background

#FBF6F5

surface

#F6ECE9

border

#D0C7C5

text

#120704

muted

#817A79

Preview Lab

Preview with #87311D

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

Preview Lab → · Contrast checker → · Palette generator →