#871F23#871F23

#871F23 is a dark, vivid red. Relative luminance 0.063; OKLCH L 41.4% C 0.139 H 23.9°. Best body text is #FFFFFF at 9.33:1 contrast (WCAG AA passes).

Color values

HEX	#871F23
RGB	rgb(135, 31, 35)
HSL	hsl(358, 63%, 33%)
HSV	hsv(358, 77%, 53%)
CMYK	cmyk(0%, 77%, 74.1%, 47.1%)
CIE-LAB	lab(30.04, 43.61, 24.67)
CIE-LCH	lch(30.04, 50.10, 29.50°)
OKLab	oklab(41.38% 0.1271 0.0563)
OKLCH	oklch(41.38% 0.139 23.9)
XYZ	xyz(10.7863, 6.2539, 2.2290)
Luminance	0.0625 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#871F23 #1F8783

analogous

#871F57 #871F23 #874F1F

triadic

#871F23 #23871F #1F2387

tetradic

#871F23 #57871F #1F8783 #4F1F87

square

#871F23 #57871F #1F8783 #4F1F87

split-complementary

#871F23 #1F874F #1F5787

monochromatic

#230809 #551416 #871F23 #B92A30 #D64B50

Accessibility & contrast

On white

9.33

#871F23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#871F23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #871F23

9.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##871F23	#FFFFFF	#000000	##FFFFFF
##871F23	1.00	9.33	2.25	9.33
#FFFFFF	9.33	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E3822

Deuteranopia (green-blind)

#584F1F

Tritanopia (blue-blind)

#950022

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #871f23;
/* rgb */ color: rgb(135, 31, 35);
/* oklch */ color: oklch(41.4% 0.139 23.9);

Tailwind

colors: {
  custom: {
    50: '#b1645e',
    500: '#871f23',
    950: '#000000',
  },
}

SCSS

$custom: #871f23;
$custom-light: #b1645e;
$custom-dark: #000000;

JSON

{
  "hex": "#871f23",
  "rgb": {
    "r": 135,
    "g": 31,
    "b": 35
  },
  "hsl": {
    "h": 357.692,
    "s": 62.651,
    "l": 32.549
  },
  "oklch": {
    "l": 0.41381,
    "c": 0.13905,
    "h": 23.9
  },
  "luminance": 0.06252
}

Semantic roles & 50–950 ramp

primary

#871F23

secondary

#4AB8B4

accent

#E6DF42

background

#FBF6F5

surface

#F7EBE9

border

#D0C6C5

text

#120604

muted

#817A79

Preview Lab

Preview with #871F23

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

Preview Lab → · Contrast checker → · Palette generator →