#851B2F#851B2F

#851B2F is a dark, vivid red. Relative luminance 0.060; OKLCH L 40.9% C 0.140 H 16.0°. Best body text is #FFFFFF at 9.57:1 contrast (WCAG AA passes).

Color values

HEX	#851B2F
RGB	rgb(133, 27, 47)
HSL	hsl(349, 66%, 31%)
HSV	hsv(349, 80%, 52%)
CMYK	cmyk(0%, 79.7%, 64.7%, 47.8%)
CIE-LAB	lab(29.35, 45.02, 15.93)
CIE-LCH	lch(29.35, 47.75, 19.49°)
OKLab	oklab(40.86% 0.1346 0.0386)
OKLCH	oklch(40.86% 0.14 16)
XYZ	xyz(10.5790, 5.9772, 3.2855)
Luminance	0.0598 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#851B2F #1B8571

analogous

#851B64 #851B2F #853C1B

triadic

#851B2F #2F851B #1B2F85

tetradic

#851B2F #64851B #1B8571 #3C1B85

square

#851B2F #64851B #1B8571 #3C1B85

split-complementary

#851B2F #1B853C #1B6485

monochromatic

#1F060B #52111D #851B2F #B82541 #D9425E

Accessibility & contrast

On white

9.57

#851B2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.20

#851B2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #851B2F

9.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##851B2F	#FFFFFF	#000000	##FFFFFF
##851B2F	1.00	9.57	2.20	9.57
#FFFFFF	9.57	1.00	21.00	1.00
#000000	2.20	21.00	1.00	21.00
##FFFFFF	9.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#39372F

Deuteranopia (green-blind)

#544D2C

Tritanopia (blue-blind)

#920024

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #851b2f;
/* rgb */ color: rgb(133, 27, 47);
/* oklch */ color: oklch(40.9% 0.140 16.0);

Tailwind

colors: {
  custom: {
    50: '#af6267',
    500: '#851b2f',
    950: '#000000',
  },
}

SCSS

$custom: #851b2f;
$custom-light: #af6267;
$custom-dark: #000000;

JSON

{
  "hex": "#851b2f",
  "rgb": {
    "r": 133,
    "g": 27,
    "b": 47
  },
  "hsl": {
    "h": 348.679,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.40863,
    "c": 0.14004,
    "h": 16
  },
  "luminance": 0.05976
}

Semantic roles & 50–950 ramp

primary

#851B2F

secondary

#44B8A2

accent

#E9C93F

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#120606

muted

#817A7A

Preview Lab

Preview with #851B2F

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

Preview Lab → · Contrast checker → · Palette generator →