#851B2D#851B2D

#851B2D is a dark, vivid red. Relative luminance 0.060; OKLCH L 40.8% C 0.140 H 17.1°. Best body text is #FFFFFF at 9.58:1 contrast (WCAG AA passes).

Color values

HEX	#851B2D
RGB	rgb(133, 27, 45)
HSL	hsl(350, 66%, 31%)
HSV	hsv(350, 80%, 52%)
CMYK	cmyk(0%, 79.7%, 66.2%, 47.8%)
CIE-LAB	lab(29.32, 44.89, 17.21)
CIE-LCH	lch(29.32, 48.07, 20.97°)
OKLab	oklab(40.82% 0.1338 0.0413)
OKLCH	oklch(40.82% 0.14 17.1)
XYZ	xyz(10.5396, 5.9615, 3.0778)
Luminance	0.0596 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#851B2D #1B8573

analogous

#851B62 #851B2D #853E1B

triadic

#851B2D #2D851B #1B2D85

tetradic

#851B2D #62851B #1B8573 #3E1B85

square

#851B2D #62851B #1B8573 #3E1B85

split-complementary

#851B2D #1B853E #1B6285

monochromatic

#1F060B #52111C #851B2D #B8253E #D9425B

Accessibility & contrast

On white

9.58

#851B2D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.19

#851B2D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #851B2D

9.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##851B2D	#FFFFFF	#000000	##FFFFFF
##851B2D	1.00	9.58	2.19	9.58
#FFFFFF	9.58	1.00	21.00	1.00
#000000	2.19	21.00	1.00	21.00
##FFFFFF	9.58	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A372D

Deuteranopia (green-blind)

#544D2A

Tritanopia (blue-blind)

#920023

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #851b2d;
/* rgb */ color: rgb(133, 27, 45);
/* oklch */ color: oklch(40.8% 0.140 17.1);

Tailwind

colors: {
  custom: {
    50: '#af6265',
    500: '#851b2d',
    950: '#000000',
  },
}

SCSS

$custom: #851b2d;
$custom-light: #af6265;
$custom-dark: #000000;

JSON

{
  "hex": "#851b2d",
  "rgb": {
    "r": 133,
    "g": 27,
    "b": 45
  },
  "hsl": {
    "h": 349.811,
    "s": 66.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.4082,
    "c": 0.14002,
    "h": 17.1
  },
  "luminance": 0.0596
}

Semantic roles & 50–950 ramp

primary

#851B2D

secondary

#44B8A4

accent

#E9CC3F

background

#FBF6F6

surface

#F6EBEB

border

#D0C6C6

text

#120605

muted

#817A7A

Preview Lab

Preview with #851B2D

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

Preview Lab → · Contrast checker → · Palette generator →