#851A2B#851A2B

#851A2B is a dark, vivid red. Relative luminance 0.059; OKLCH L 40.7% C 0.141 H 18.0°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#851A2B
RGB	rgb(133, 26, 43)
HSL	hsl(350, 67%, 31%)
HSV	hsv(350, 80%, 52%)
CMYK	cmyk(0%, 80.5%, 67.7%, 47.8%)
CIE-LAB	lab(29.16, 45.09, 18.33)
CIE-LCH	lch(29.16, 48.67, 22.12°)
OKLab	oklab(40.7% 0.134 0.0436)
OKLCH	oklch(40.7% 0.141 18)
XYZ	xyz(10.4795, 5.9014, 2.8723)
Luminance	0.0590 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#851A2B #1A8574

analogous

#851A60 #851A2B #853E1A

triadic

#851A2B #2B851A #1A2B85

tetradic

#851A2B #60851A #1A8574 #3E1A85

square

#851A2B #60851A #1A8574 #3E1A85

split-complementary

#851A2B #1A853E #1A6085

monochromatic

#1F060A #52101A #851A2B #B8243C #DA4058

Accessibility & contrast

On white

9.63

#851A2B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#851A2B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #851A2B

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##851A2B	#FFFFFF	#000000	##FFFFFF
##851A2B	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A362B

Deuteranopia (green-blind)

#544D28

Tritanopia (blue-blind)

#920021

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #851a2b;
/* rgb */ color: rgb(133, 26, 43);
/* oklch */ color: oklch(40.7% 0.141 18.0);

Tailwind

colors: {
  custom: {
    50: '#af6264',
    500: '#851a2b',
    950: '#000000',
  },
}

SCSS

$custom: #851a2b;
$custom-light: #af6264;
$custom-dark: #000000;

JSON

{
  "hex": "#851a2b",
  "rgb": {
    "r": 133,
    "g": 26,
    "b": 43
  },
  "hsl": {
    "h": 350.467,
    "s": 67.296,
    "l": 31.176
  },
  "oklch": {
    "l": 0.40695,
    "c": 0.14091,
    "h": 18
  },
  "luminance": 0.059
}

Semantic roles & 50–950 ramp

primary

#851A2B

secondary

#42B8A6

accent

#EACF3E

background

#FBF6F5

surface

#F6EBEA

border

#D0C6C6

text

#120605

muted

#817A79

Preview Lab

Preview with #851A2B

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

Preview Lab → · Contrast checker → · Palette generator →