#87311C#87311C

#87311C is a dark, vivid red. Relative luminance 0.074; OKLCH L 43.4% C 0.123 H 34.9°. Best body text is #FFFFFF at 8.45:1 contrast (WCAG AA passes).

Color values

HEX	#87311C
RGB	rgb(135, 49, 28)
HSL	hsl(12, 66%, 32%)
HSV	hsv(12, 79%, 53%)
CMYK	cmyk(0%, 63.7%, 79.3%, 47.1%)
CIE-LAB	lab(32.77, 35.63, 31.87)
CIE-LCH	lch(32.77, 47.81, 41.81°)
OKLab	oklab(43.4% 0.1006 0.0702)
OKLCH	oklch(43.4% 0.123 34.9)
XYZ	xyz(11.3008, 7.4330, 1.9380)
Luminance	0.0743 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#87311C #1C7287

analogous

#871C3C #87311C #87671C

triadic

#87311C #1C8731 #311C87

tetradic

#87311C #3C871C #1C7287 #671C87

square

#87311C #3C871C #1C7287 #671C87

split-complementary

#87311C #1C8767 #1C3C87

monochromatic

#220C07 #541F11 #87311C #BA4327 #D86245

Accessibility & contrast

On white

8.45

#87311C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#87311C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #87311C

8.45:1 — WCAG AA (normal text) passes

Contrast matrix

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

#494119

Deuteranopia (green-blind)

#5E5419

Tritanopia (blue-blind)

#951C2D

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #87311c;
/* rgb */ color: rgb(135, 49, 28);
/* oklch */ color: oklch(43.4% 0.123 34.9);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#87311c",
  "rgb": {
    "r": 135,
    "g": 49,
    "b": 28
  },
  "hsl": {
    "h": 11.776,
    "s": 65.644,
    "l": 31.961
  },
  "oklch": {
    "l": 0.43398,
    "c": 0.12271,
    "h": 34.9
  },
  "luminance": 0.07431
}

Semantic roles & 50–950 ramp

primary

#87311C

secondary

#45A3BA

accent

#C7E93F

background

#FBF6F5

surface

#F6ECE9

border

#D0C7C5

text

#120703

muted

#817A78

Preview Lab

Preview with #87311C

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

Preview Lab → · Contrast checker → · Palette generator →