#871A21#871A21

#871A21 is a dark, vivid red. Relative luminance 0.060; OKLCH L 40.9% C 0.144 H 23.4°. Best body text is #FFFFFF at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#871A21
RGB	rgb(135, 26, 33)
HSL	hsl(356, 68%, 32%)
HSV	hsv(356, 81%, 53%)
CMYK	cmyk(0%, 80.7%, 75.6%, 47.1%)
CIE-LAB	lab(29.42, 45.19, 25.21)
CIE-LCH	lch(29.42, 51.75, 29.15°)
OKLab	oklab(40.9% 0.1317 0.057)
OKLCH	oklch(40.9% 0.144 23.4)
XYZ	xyz(10.6368, 6.0012, 2.0368)
Luminance	0.0600 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#871A21 #1A8780

analogous

#871A58 #871A21 #874A1A

triadic

#871A21 #21871A #1A2187

tetradic

#871A21 #58871A #1A8780 #4A1A87

square

#871A21 #58871A #1A8780 #4A1A87

split-complementary

#871A21 #1A874A #1A5887

monochromatic

#200608 #541014 #871A21 #BA242E #DA414B

Accessibility & contrast

On white

9.55

#871A21 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#871A21 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #871A21

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##871A21	#FFFFFF	#000000	##FFFFFF
##871A21	1.00	9.55	2.20	9.55
#FFFFFF	9.55	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3620

Deuteranopia (green-blind)

#574E1D

Tritanopia (blue-blind)

#95001E

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #871a21;
/* rgb */ color: rgb(135, 26, 33);
/* oklch */ color: oklch(40.9% 0.144 23.4);

Tailwind

colors: {
  custom: {
    50: '#b2625c',
    500: '#871a21',
    950: '#000000',
  },
}

SCSS

$custom: #871a21;
$custom-light: #b2625c;
$custom-dark: #000000;

JSON

{
  "hex": "#871a21",
  "rgb": {
    "r": 135,
    "g": 26,
    "b": 33
  },
  "hsl": {
    "h": 356.147,
    "s": 67.702,
    "l": 31.569
  },
  "oklch": {
    "l": 0.40904,
    "c": 0.14353,
    "h": 23.4
  },
  "luminance": 0.05999
}

Semantic roles & 50–950 ramp

primary

#871A21

secondary

#42BAB3

accent

#EBDF3D

background

#FBF6F5

surface

#F7EBE9

border

#D0C6C5

text

#120604

muted

#817A79

Preview Lab

Preview with #871A21

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

Preview Lab → · Contrast checker → · Palette generator →