#851918#851918

#851918 is a dark, vivid red. Relative luminance 0.057; OKLCH L 40.3% C 0.143 H 26.9°. Best body text is #FFFFFF at 9.77:1 contrast (WCAG AA passes).

Color values

HEX	#851918
RGB	rgb(133, 25, 24)
HSL	hsl(1, 69%, 31%)
HSV	hsv(1, 82%, 52%)
CMYK	cmyk(0%, 81.2%, 82%, 47.8%)
CIE-LAB	lab(28.77, 44.52, 29.92)
CIE-LCH	lch(28.77, 53.64, 33.91°)
OKLab	oklab(40.32% 0.1278 0.0649)
OKLCH	oklch(40.32% 0.143 26.9)
XYZ	xyz(10.1866, 5.7494, 1.4374)
Luminance	0.0575 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#851918 #188485

analogous

#85184E #851918 #854F18

triadic

#851918 #188519 #191885

tetradic

#851918 #4E8518 #188485 #4F1885

square

#851918 #4E8518 #188485 #4F1885

split-complementary

#851918 #18854F #184E85

monochromatic

#1D0605 #510F0F #851918 #B92321 #DC3D3C

Accessibility & contrast

On white

9.77

#851918 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.15

#851918 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #851918

9.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##851918	#FFFFFF	#000000	##FFFFFF
##851918	1.00	9.77	2.15	9.77
#FFFFFF	9.77	1.00	21.00	1.00
#000000	2.15	21.00	1.00	21.00
##FFFFFF	9.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3516

Deuteranopia (green-blind)

#564C13

Tritanopia (blue-blind)

#93001A

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #851918;
/* rgb */ color: rgb(133, 25, 24);
/* oklch */ color: oklch(40.3% 0.143 26.9);

Tailwind

colors: {
  custom: {
    50: '#b16155',
    500: '#851918',
    950: '#000000',
  },
}

SCSS

$custom: #851918;
$custom-light: #b16155;
$custom-dark: #000000;

JSON

{
  "hex": "#851918",
  "rgb": {
    "r": 133,
    "g": 25,
    "b": 24
  },
  "hsl": {
    "h": 0.55,
    "s": 69.427,
    "l": 30.784
  },
  "oklch": {
    "l": 0.40316,
    "c": 0.1433,
    "h": 26.9
  },
  "luminance": 0.05748
}

Semantic roles & 50–950 ramp

primary

#851918

secondary

#40B8B9

accent

#EBEC3C

background

#FBF6F5

surface

#F7EBE9

border

#D0C6C5

text

#120503

muted

#817A78

Preview Lab

Preview with #851918

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

Preview Lab → · Contrast checker → · Palette generator →