#851B2B#851B2B

#851B2B is a dark, vivid red. Relative luminance 0.059; OKLCH L 40.8% C 0.140 H 18.3°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#851B2B
RGB	rgb(133, 27, 43)
HSL	hsl(351, 66%, 31%)
HSV	hsv(351, 80%, 52%)
CMYK	cmyk(0%, 79.7%, 67.7%, 47.8%)
CIE-LAB	lab(29.28, 44.77, 18.47)
CIE-LCH	lch(29.28, 48.43, 22.42°)
OKLab	oklab(40.78% 0.133 0.0439)
OKLCH	oklch(40.78% 0.14 18.3)
XYZ	xyz(10.5020, 5.9464, 2.8798)
Luminance	0.0595 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#851B2B #1B8575

analogous

#851B60 #851B2B #85401B

triadic

#851B2B #2B851B #1B2B85

tetradic

#851B2B #60851B #1B8575 #401B85

square

#851B2B #60851B #1B8575 #401B85

split-complementary

#851B2B #1B8540 #1B6085

monochromatic

#1F060A #52111B #851B2B #B8253B #D94259

Accessibility & contrast

On white

9.59

#851B2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#851B2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #851B2B

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##851B2B	#FFFFFF	#000000	##FFFFFF
##851B2B	1.00	9.59	2.19	9.59
#FFFFFF	9.59	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A372B

Deuteranopia (green-blind)

#554D28

Tritanopia (blue-blind)

#920022

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #851b2b;
/* rgb */ color: rgb(133, 27, 43);
/* oklch */ color: oklch(40.8% 0.140 18.3);

Tailwind

colors: {
  custom: {
    50: '#af6264',
    500: '#851b2b',
    950: '#000000',
  },
}

SCSS

$custom: #851b2b;
$custom-light: #af6264;
$custom-dark: #000000;

JSON

{
  "hex": "#851b2b",
  "rgb": {
    "r": 133,
    "g": 27,
    "b": 43
  },
  "hsl": {
    "h": 350.943,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.4078,
    "c": 0.14004,
    "h": 18.3
  },
  "luminance": 0.05945
}

Semantic roles & 50–950 ramp

primary

#851B2B

secondary

#44B8A7

accent

#E9CF3F

background

#FBF6F5

surface

#F6EBEA

border

#D0C6C6

text

#120605

muted

#817A79

Preview Lab

Preview with #851B2B

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

Preview Lab → · Contrast checker → · Palette generator →