#871B23#871B23

#871B23 is a dark, vivid red. Relative luminance 0.061; OKLCH L 41.0% C 0.143 H 22.7°. Best body text is #FFFFFF at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#871B23
RGB	rgb(135, 27, 35)
HSL	hsl(356, 67%, 32%)
HSV	hsv(356, 80%, 53%)
CMYK	cmyk(0%, 80%, 74.1%, 47.1%)
CIE-LAB	lab(29.56, 44.97, 24.11)
CIE-LCH	lch(29.56, 51.02, 28.19°)
OKLab	oklab(41.02% 0.1315 0.0551)
OKLCH	oklch(41.02% 0.143 22.7)
XYZ	xyz(10.6882, 6.0578, 2.1963)
Luminance	0.0606 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#871B23 #1B877F

analogous

#871B59 #871B23 #87491B

triadic

#871B23 #23871B #1B2387

tetradic

#871B23 #59871B #1B877F #491B87

square

#871B23 #59871B #1B877F #491B87

split-complementary

#871B23 #1B8749 #1B5987

monochromatic

#210709 #541116 #871B23 #BA2530 #D9434E

Accessibility & contrast

On white

9.50

#871B23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#871B23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #871B23

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##871B23	#FFFFFF	#000000	##FFFFFF
##871B23	1.00	9.50	2.21	9.50
#FFFFFF	9.50	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3722

Deuteranopia (green-blind)

#574E1F

Tritanopia (blue-blind)

#95001F

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #871b23;
/* rgb */ color: rgb(135, 27, 35);
/* oklch */ color: oklch(41.0% 0.143 22.7);

Tailwind

colors: {
  custom: {
    50: '#b2625e',
    500: '#871b23',
    950: '#000000',
  },
}

SCSS

$custom: #871b23;
$custom-light: #b2625e;
$custom-dark: #000000;

JSON

{
  "hex": "#871b23",
  "rgb": {
    "r": 135,
    "g": 27,
    "b": 35
  },
  "hsl": {
    "h": 355.556,
    "s": 66.667,
    "l": 31.765
  },
  "oklch": {
    "l": 0.41019,
    "c": 0.14252,
    "h": 22.7
  },
  "luminance": 0.06056
}

Semantic roles & 50–950 ramp

primary

#871B23

secondary

#44BAB1

accent

#EADD3E

background

#FBF6F5

surface

#F7EBE9

border

#D0C6C5

text

#120604

muted

#817A79

Preview Lab

Preview with #871B23

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

Preview Lab → · Contrast checker → · Palette generator →