#811B15#811B15

#811B15 is a dark, vivid red. Relative luminance 0.055; OKLCH L 39.7% C 0.138 H 28.6°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#811B15
RGB	rgb(129, 27, 21)
HSL	hsl(3, 72%, 29%)
HSV	hsv(3, 84%, 51%)
CMYK	cmyk(0%, 79.1%, 83.7%, 49.4%)
CIE-LAB	lab(28.13, 42.48, 30.76)
CIE-LCH	lch(28.13, 52.45, 35.91°)
OKLab	oklab(39.68% 0.1212 0.066)
OKLCH	oklch(39.68% 0.138 28.6)
XYZ	xyz(9.5817, 5.5067, 1.2677)
Luminance	0.0551 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#811B15 #157B81

analogous

#811545 #811B15 #815115

triadic

#811B15 #15811B #1B1581

tetradic

#811B15 #458115 #157B81 #511581

square

#811B15 #458115 #157B81 #511581

split-complementary

#811B15 #158151 #154581

monochromatic

#1A0604 #4C100C #811B15 #B6261E #DE3C33

Accessibility & contrast

On white

10.00

#811B15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#811B15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #811B15

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##811B15	#FFFFFF	#000000	##FFFFFF
##811B15	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3413

Deuteranopia (green-blind)

#544A10

Tritanopia (blue-blind)

#8F001B

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #811b15;
/* rgb */ color: rgb(129, 27, 21);
/* oklch */ color: oklch(39.7% 0.138 28.6);

Tailwind

colors: {
  custom: {
    50: '#ae6153',
    500: '#811b15',
    950: '#000000',
  },
}

SCSS

$custom: #811b15;
$custom-light: #ae6153;
$custom-dark: #000000;

JSON

{
  "hex": "#811b15",
  "rgb": {
    "r": 129,
    "g": 27,
    "b": 21
  },
  "hsl": {
    "h": 3.333,
    "s": 72,
    "l": 29.412
  },
  "oklch": {
    "l": 0.39681,
    "c": 0.13801,
    "h": 28.6
  },
  "luminance": 0.05505
}

Semantic roles & 50–950 ramp

primary

#811B15

secondary

#3CAFB6

accent

#E5EF39

background

#FBF6F4

surface

#F6EBE7

border

#D0C6C3

text

#120502

muted

#817A78

Preview Lab

Preview with #811B15

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

Preview Lab → · Contrast checker → · Palette generator →