#851A18#851A18

#851A18 is a dark, vivid red. Relative luminance 0.058; OKLCH L 40.4% C 0.143 H 27.2°. Best body text is #FFFFFF at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#851A18
RGB	rgb(133, 26, 24)
HSL	hsl(1, 69%, 31%)
HSV	hsv(1, 82%, 52%)
CMYK	cmyk(0%, 80.5%, 82%, 47.8%)
CIE-LAB	lab(28.88, 44.21, 30.04)
CIE-LCH	lch(28.88, 53.45, 34.20°)
OKLab	oklab(40.4% 0.1268 0.0651)
OKLCH	oklch(40.4% 0.143 27.2)
XYZ	xyz(10.2084, 5.7929, 1.4446)
Luminance	0.0579 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#851A18 #188385

analogous

#85184C #851A18 #855018

triadic

#851A18 #18851A #1A1885

tetradic

#851A18 #4C8518 #188385 #501885

square

#851A18 #4C8518 #188385 #501885

split-complementary

#851A18 #188550 #184C85

monochromatic

#1D0605 #51100F #851A18 #B92421 #DC3F3C

Accessibility & contrast

On white

9.73

#851A18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#851A18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #851A18

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##851A18	#FFFFFF	#000000	##FFFFFF
##851A18	1.00	9.73	2.16	9.73
#FFFFFF	9.73	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C3516

Deuteranopia (green-blind)

#564C13

Tritanopia (blue-blind)

#93001B

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #851a18;
/* rgb */ color: rgb(133, 26, 24);
/* oklch */ color: oklch(40.4% 0.143 27.2);

Tailwind

colors: {
  custom: {
    50: '#b16155',
    500: '#851a18',
    950: '#000000',
  },
}

SCSS

$custom: #851a18;
$custom-light: #b16155;
$custom-dark: #000000;

JSON

{
  "hex": "#851a18",
  "rgb": {
    "r": 133,
    "g": 26,
    "b": 24
  },
  "hsl": {
    "h": 1.101,
    "s": 69.427,
    "l": 30.784
  },
  "oklch": {
    "l": 0.40399,
    "c": 0.14252,
    "h": 27.2
  },
  "luminance": 0.05791
}

Semantic roles & 50–950 ramp

primary

#851A18

secondary

#40B7B9

accent

#E9EC3C

background

#FBF6F5

surface

#F7EBE9

border

#D0C6C5

text

#120503

muted

#817A78

Preview Lab

Preview with #851A18

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

Preview Lab → · Contrast checker → · Palette generator →