#550C18#550C18

#550C18 is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.6% C 0.104 H 18.0°. Best body text is #FFFFFF at 14.46:1 contrast (WCAG AA passes).

Color values

HEX	#550C18
RGB	rgb(85, 12, 24)
HSL	hsl(350, 75%, 19%)
HSV	hsv(350, 86%, 33%)
CMYK	cmyk(0%, 85.9%, 71.8%, 66.7%)
CIE-LAB	lab(16.80, 33.16, 13.48)
CIE-LCH	lch(16.80, 35.80, 22.12°)
OKLab	oklab(29.57% 0.0985 0.032)
OKLCH	oklch(29.57% 0.104 18)
XYZ	xyz(4.0431, 2.2608, 1.0875)
Luminance	0.0226 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#550C18 #0C5549

analogous

#550C3D #550C18 #55250C

triadic

#550C18 #18550C #0C1855

tetradic

#550C18 #3D550C #0C5549 #250C55

square

#550C18 #3D550C #0C5549 #250C55

split-complementary

#550C18 #0C5525 #0C3D55

monochromatic

#1B0408 #1F0409 #550C18 #8B1427 #C01B36

Accessibility & contrast

On white

14.46

#550C18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#550C18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #550C18

14.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##550C18	#FFFFFF	#000000	##FFFFFF
##550C18	1.00	14.46	1.45	14.46
#FFFFFF	14.46	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#222018

Deuteranopia (green-blind)

#342F16

Tritanopia (blue-blind)

#5E0011

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #550c18;
/* rgb */ color: rgb(85, 12, 24);
/* oklch */ color: oklch(29.6% 0.104 18.0);

Tailwind

colors: {
  custom: {
    50: '#8b5354',
    500: '#550c18',
    950: '#000000',
  },
}

SCSS

$custom: #550c18;
$custom-light: #8b5354;
$custom-dark: #000000;

JSON

{
  "hex": "#550c18",
  "rgb": {
    "r": 85,
    "g": 12,
    "b": 24
  },
  "hsl": {
    "h": 350.137,
    "s": 75.258,
    "l": 19.02
  },
  "oklch": {
    "l": 0.29573,
    "c": 0.10359,
    "h": 18
  },
  "luminance": 0.0226
}

Semantic roles & 50–950 ramp

primary

#550C18

secondary

#2D9080

accent

#F2D336

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0302

muted

#7E7878

Preview Lab

Preview with #550C18

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

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