#550C11#550C11

#550C11 is a dark, moderate red. Relative luminance 0.022; OKLCH L 29.4% C 0.104 H 23.3°. Best body text is #FFFFFF at 14.51:1 contrast (WCAG AA passes).

Color values

HEX	#550C11
RGB	rgb(85, 12, 17)
HSL	hsl(356, 75%, 19%)
HSV	hsv(356, 86%, 33%)
CMYK	cmyk(0%, 85.9%, 80%, 66.7%)
CIE-LAB	lab(16.68, 32.77, 18.00)
CIE-LCH	lch(16.68, 37.39, 28.77°)
OKLab	oklab(29.44% 0.0955 0.0412)
OKLCH	oklch(29.44% 0.104 23.3)
XYZ	xyz(3.9794, 2.2353, 0.7521)
Luminance	0.0223 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#550C11 #0C5550

analogous

#550C36 #550C11 #552C0C

triadic

#550C11 #11550C #0C1155

tetradic

#550C11 #36550C #0C5550 #2C0C55

square

#550C11 #36550C #0C5550 #2C0C55

split-complementary

#550C11 #0C552C #0C3655

monochromatic

#1B0405 #1F0406 #550C11 #8B141C #C01B26

Accessibility & contrast

On white

14.51

#550C11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#550C11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #550C11

14.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##550C11	#FFFFFF	#000000	##FFFFFF
##550C11	1.00	14.51	1.45	14.51
#FFFFFF	14.51	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#231F10

Deuteranopia (green-blind)

#352F0E

Tritanopia (blue-blind)

#5E000F

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #550c11;
/* rgb */ color: rgb(85, 12, 17);
/* oklch */ color: oklch(29.4% 0.104 23.3);

Tailwind

colors: {
  custom: {
    50: '#8b534f',
    500: '#550c11',
    950: '#000000',
  },
}

SCSS

$custom: #550c11;
$custom-light: #8b534f;
$custom-dark: #000000;

JSON

{
  "hex": "#550c11",
  "rgb": {
    "r": 85,
    "g": 12,
    "b": 17
  },
  "hsl": {
    "h": 355.89,
    "s": 75.258,
    "l": 19.02
  },
  "oklch": {
    "l": 0.29441,
    "c": 0.10402,
    "h": 23.3
  },
  "luminance": 0.02235
}

Semantic roles & 50–950 ramp

primary

#550C11

secondary

#2D9089

accent

#F2E536

background

#F9F5F4

surface

#F1E8E7

border

#CBC4C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #550C11

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

Preview Lab → · Contrast checker → · Palette generator →