#851B2E#851B2E

#851B2E is a dark, vivid red. Relative luminance 0.060; OKLCH L 40.8% C 0.140 H 16.6°. Best body text is #FFFFFF at 9.57:1 contrast (WCAG AA passes).

Color values

HEX	#851B2E
RGB	rgb(133, 27, 46)
HSL	hsl(349, 66%, 31%)
HSV	hsv(349, 80%, 52%)
CMYK	cmyk(0%, 79.7%, 65.4%, 47.8%)
CIE-LAB	lab(29.33, 44.95, 16.57)
CIE-LCH	lch(29.33, 47.91, 20.23°)
OKLab	oklab(40.84% 0.1342 0.0399)
OKLCH	oklch(40.84% 0.14 16.6)
XYZ	xyz(10.5591, 5.9693, 3.1804)
Luminance	0.0597 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#851B2E #1B8572

analogous

#851B63 #851B2E #853D1B

triadic

#851B2E #2E851B #1B2E85

tetradic

#851B2E #63851B #1B8572 #3D1B85

square

#851B2E #63851B #1B8572 #3D1B85

split-complementary

#851B2E #1B853D #1B6385

monochromatic

#1F060B #52111C #851B2E #B82540 #D9425D

Accessibility & contrast

On white

9.57

#851B2E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#851B2E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #851B2E

9.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##851B2E	#FFFFFF	#000000	##FFFFFF
##851B2E	1.00	9.57	2.19	9.57
#FFFFFF	9.57	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A372E

Deuteranopia (green-blind)

#544D2B

Tritanopia (blue-blind)

#920023

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #851b2e;
/* rgb */ color: rgb(133, 27, 46);
/* oklch */ color: oklch(40.8% 0.140 16.6);

Tailwind

colors: {
  custom: {
    50: '#af6266',
    500: '#851b2e',
    950: '#000000',
  },
}

SCSS

$custom: #851b2e;
$custom-light: #af6266;
$custom-dark: #000000;

JSON

{
  "hex": "#851b2e",
  "rgb": {
    "r": 133,
    "g": 27,
    "b": 46
  },
  "hsl": {
    "h": 349.245,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.40841,
    "c": 0.14002,
    "h": 16.6
  },
  "luminance": 0.05968
}

Semantic roles & 50–950 ramp

primary

#851B2E

secondary

#44B8A3

accent

#E9CB3F

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#120605

muted

#817A7A

Preview Lab

Preview with #851B2E

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

Preview Lab → · Contrast checker → · Palette generator →