#550C1C#550C1C

#550C1C is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.7% C 0.104 H 14.6°. Best body text is #FFFFFF at 14.43:1 contrast (WCAG AA passes).

Color values

HEX	#550C1C
RGB	rgb(85, 12, 28)
HSL	hsl(347, 75%, 19%)
HSV	hsv(347, 86%, 33%)
CMYK	cmyk(0%, 85.9%, 67.1%, 66.7%)
CIE-LAB	lab(16.89, 33.43, 10.72)
CIE-LCH	lch(16.89, 35.11, 17.78°)
OKLab	oklab(29.66% 0.1003 0.0261)
OKLCH	oklch(29.66% 0.104 14.6)
XYZ	xyz(4.0878, 2.2787, 1.3230)
Luminance	0.0228 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#550C1C #0C5545

analogous

#550C41 #550C1C #55210C

triadic

#550C1C #1C550C #0C1C55

tetradic

#550C1C #41550C #0C5545 #210C55

square

#550C1C #41550C #0C5545 #210C55

split-complementary

#550C1C #0C5521 #0C4155

monochromatic

#1B0409 #1F040A #550C1C #8B142E #C01B3F

Accessibility & contrast

On white

14.43

#550C1C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#550C1C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #550C1C

14.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##550C1C	#FFFFFF	#000000	##FFFFFF
##550C1C	1.00	14.43	1.46	14.43
#FFFFFF	14.43	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#21201C

Deuteranopia (green-blind)

#342F1A

Tritanopia (blue-blind)

#5E0013

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #550c1c;
/* rgb */ color: rgb(85, 12, 28);
/* oklch */ color: oklch(29.7% 0.104 14.6);

Tailwind

colors: {
  custom: {
    50: '#8a5357',
    500: '#550c1c',
    950: '#000000',
  },
}

SCSS

$custom: #550c1c;
$custom-light: #8a5357;
$custom-dark: #000000;

JSON

{
  "hex": "#550c1c",
  "rgb": {
    "r": 85,
    "g": 12,
    "b": 28
  },
  "hsl": {
    "h": 346.849,
    "s": 75.258,
    "l": 19.02
  },
  "oklch": {
    "l": 0.29664,
    "c": 0.10366,
    "h": 14.6
  },
  "luminance": 0.02278
}

Semantic roles & 50–950 ramp

primary

#550C1C

secondary

#2D907A

accent

#F2C936

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0303

muted

#7E7878

Preview Lab

Preview with #550C1C

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

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