#851A1F#851A1F

#851A1F is a dark, vivid red. Relative luminance 0.058; OKLCH L 40.5% C 0.142 H 24.2°. Best body text is #FFFFFF at 9.70:1 contrast (WCAG AA passes).

Color values

HEX	#851A1F
RGB	rgb(133, 26, 31)
HSL	hsl(357, 67%, 31%)
HSV	hsv(357, 80%, 52%)
CMYK	cmyk(0%, 80.5%, 76.7%, 47.8%)
CIE-LAB	lab(28.97, 44.48, 25.85)
CIE-LCH	lch(28.97, 51.44, 30.17°)
OKLab	oklab(40.49% 0.1292 0.0581)
OKLCH	oklch(40.49% 0.142 24.2)
XYZ	xyz(10.2908, 5.8259, 1.8787)
Luminance	0.0582 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#851A1F #1A8580

analogous

#851A54 #851A1F #854A1A

triadic

#851A1F #1F851A #1A1F85

tetradic

#851A1F #54851A #1A8580 #4A1A85

square

#851A1F #54851A #1A8580 #4A1A85

split-complementary

#851A1F #1A854A #1A5485

monochromatic

#1F0607 #521013 #851A1F #B8242B #DA4047

Accessibility & contrast

On white

9.70

#851A1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.16

#851A1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #851A1F

9.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##851A1F	#FFFFFF	#000000	##FFFFFF
##851A1F	1.00	9.70	2.16	9.70
#FFFFFF	9.70	1.00	21.00	1.00
#000000	2.16	21.00	1.00	21.00
##FFFFFF	9.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B361E

Deuteranopia (green-blind)

#554D1B

Tritanopia (blue-blind)

#93001D

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #851a1f;
/* rgb */ color: rgb(133, 26, 31);
/* oklch */ color: oklch(40.5% 0.142 24.2);

Tailwind

colors: {
  custom: {
    50: '#b0615a',
    500: '#851a1f',
    950: '#000000',
  },
}

SCSS

$custom: #851a1f;
$custom-light: #b0615a;
$custom-dark: #000000;

JSON

{
  "hex": "#851a1f",
  "rgb": {
    "r": 133,
    "g": 26,
    "b": 31
  },
  "hsl": {
    "h": 357.196,
    "s": 67.296,
    "l": 31.176
  },
  "oklch": {
    "l": 0.40489,
    "c": 0.14169,
    "h": 24.2
  },
  "luminance": 0.05824
}

Semantic roles & 50–950 ramp

primary

#851A1F

secondary

#42B8B3

accent

#EAE23E

background

#FBF6F5

surface

#F7EBE9

border

#D0C6C5

text

#120504

muted

#817A79

Preview Lab

Preview with #851A1F

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

Preview Lab → · Contrast checker → · Palette generator →