#851B2C#851B2C

#851B2C is a dark, vivid red. Relative luminance 0.060; OKLCH L 40.8% C 0.140 H 17.7°. Best body text is #FFFFFF at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#851B2C
RGB	rgb(133, 27, 44)
HSL	hsl(350, 66%, 31%)
HSV	hsv(350, 80%, 52%)
CMYK	cmyk(0%, 79.7%, 66.9%, 47.8%)
CIE-LAB	lab(29.30, 44.83, 17.84)
CIE-LCH	lch(29.30, 48.25, 21.70°)
OKLab	oklab(40.8% 0.1334 0.0426)
OKLCH	oklch(40.8% 0.14 17.7)
XYZ	xyz(10.5206, 5.9539, 2.9776)
Luminance	0.0595 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#851B2C #1B8574

analogous

#851B61 #851B2C #853F1B

triadic

#851B2C #2C851B #1B2C85

tetradic

#851B2C #61851B #1B8574 #3F1B85

square

#851B2C #61851B #1B8574 #3F1B85

split-complementary

#851B2C #1B853F #1B6185

monochromatic

#1F060A #52111B #851B2C #B8253D #D9425A

Accessibility & contrast

On white

9.59

#851B2C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#851B2C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #851B2C

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##851B2C	#FFFFFF	#000000	##FFFFFF
##851B2C	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)

#3A372C

Deuteranopia (green-blind)

#554D29

Tritanopia (blue-blind)

#920022

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #851b2c;
/* rgb */ color: rgb(133, 27, 44);
/* oklch */ color: oklch(40.8% 0.140 17.7);

Tailwind

colors: {
  custom: {
    50: '#af6264',
    500: '#851b2c',
    950: '#000000',
  },
}

SCSS

$custom: #851b2c;
$custom-light: #af6264;
$custom-dark: #000000;

JSON

{
  "hex": "#851b2c",
  "rgb": {
    "r": 133,
    "g": 27,
    "b": 44
  },
  "hsl": {
    "h": 350.377,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.408,
    "c": 0.14002,
    "h": 17.7
  },
  "luminance": 0.05952
}

Semantic roles & 50–950 ramp

primary

#851B2C

secondary

#44B8A6

accent

#E9CE3F

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#120605

muted

#817A7A

Preview Lab

Preview with #851B2C

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

Preview Lab → · Contrast checker → · Palette generator →