#851A1D#851A1D

#851A1D is a dark, vivid red. Relative luminance 0.058; OKLCH L 40.5% C 0.142 H 25.1°. Best body text is #FFFFFF at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#851A1D
RGB	rgb(133, 26, 29)
HSL	hsl(358, 67%, 31%)
HSV	hsv(358, 80%, 52%)
CMYK	cmyk(0%, 80.5%, 78.2%, 47.8%)
CIE-LAB	lab(28.94, 44.39, 27.07)
CIE-LCH	lch(28.94, 52.00, 31.37°)
OKLab	oklab(40.46% 0.1285 0.0602)
OKLCH	oklch(40.46% 0.142 25.1)
XYZ	xyz(10.2653, 5.8157, 1.7442)
Luminance	0.0581 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#851A1D #1A8582

analogous

#851A52 #851A1D #854C1A

triadic

#851A1D #1D851A #1A1D85

tetradic

#851A1D #52851A #1A8582 #4C1A85

square

#851A1D #52851A #1A8582 #4C1A85

split-complementary

#851A1D #1A854C #1A5285

monochromatic

#1F0607 #521012 #851A1D #B82428 #DA4044

Accessibility & contrast

On white

9.71

#851A1D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#851A1D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #851A1D

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##851A1D	#FFFFFF	#000000	##FFFFFF
##851A1D	1.00	9.71	2.16	9.71
#FFFFFF	9.71	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B351C

Deuteranopia (green-blind)

#564C19

Tritanopia (blue-blind)

#93001D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #851a1d;
/* rgb */ color: rgb(133, 26, 29);
/* oklch */ color: oklch(40.5% 0.142 25.1);

Tailwind

colors: {
  custom: {
    50: '#b16159',
    500: '#851a1d',
    950: '#000000',
  },
}

SCSS

$custom: #851a1d;
$custom-light: #b16159;
$custom-dark: #000000;

JSON

{
  "hex": "#851a1d",
  "rgb": {
    "r": 133,
    "g": 26,
    "b": 29
  },
  "hsl": {
    "h": 358.318,
    "s": 67.296,
    "l": 31.176
  },
  "oklch": {
    "l": 0.40462,
    "c": 0.14192,
    "h": 25.1
  },
  "luminance": 0.05814
}

Semantic roles & 50–950 ramp

primary

#851A1D

secondary

#42B8B5

accent

#EAE53E

background

#FBF6F5

surface

#F7EBE9

border

#D0C6C5

text

#120503

muted

#817A78

Preview Lab

Preview with #851A1D

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

Preview Lab → · Contrast checker → · Palette generator →