#550E1B#550E1B

#550E1B is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.8% C 0.102 H 16.2°. Best body text is #FFFFFF at 14.33:1 contrast (WCAG AA passes).

Color values

HEX	#550E1B
RGB	rgb(85, 14, 27)
HSL	hsl(349, 72%, 19%)
HSV	hsv(349, 84%, 33%)
CMYK	cmyk(0%, 83.5%, 68.2%, 66.7%)
CIE-LAB	lab(17.11, 32.67, 11.73)
CIE-LCH	lch(17.11, 34.71, 19.75°)
OKLab	oklab(29.82% 0.0977 0.0284)
OKLCH	oklch(29.82% 0.102 16.2)
XYZ	xyz(4.1016, 2.3251, 1.2695)
Luminance	0.0232 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#550E1B #0E5548

analogous

#550E3F #550E1B #55250E

triadic

#550E1B #1B550E #0E1B55

tetradic

#550E1B #3F550E #0E5548 #250E55

square

#550E1B #3F550E #0E5548 #250E55

split-complementary

#550E1B #0E5525 #0E3F55

monochromatic

#1A0408 #20050A #550E1B #8A172C #BE1F3C

Accessibility & contrast

On white

14.33

#550E1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#550E1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #550E1B

14.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##550E1B	#FFFFFF	#000000	##FFFFFF
##550E1B	1.00	14.33	1.47	14.33
#FFFFFF	14.33	1.00	21.00	1.00
#000000	1.47	21.00	1.00	21.00
##FFFFFF	14.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#22211B

Deuteranopia (green-blind)

#342F19

Tritanopia (blue-blind)

#5E0014

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #550e1b;
/* rgb */ color: rgb(85, 14, 27);
/* oklch */ color: oklch(29.8% 0.102 16.2);

Tailwind

colors: {
  custom: {
    50: '#8a5457',
    500: '#550e1b',
    950: '#000000',
  },
}

SCSS

$custom: #550e1b;
$custom-light: #8a5457;
$custom-dark: #000000;

JSON

{
  "hex": "#550e1b",
  "rgb": {
    "r": 85,
    "g": 14,
    "b": 27
  },
  "hsl": {
    "h": 349.014,
    "s": 71.717,
    "l": 19.412
  },
  "oklch": {
    "l": 0.29821,
    "c": 0.10169,
    "h": 16.2
  },
  "luminance": 0.02325
}

Semantic roles & 50–950 ramp

primary

#550E1B

secondary

#308F7E

accent

#EECD39

background

#F9F5F5

surface

#F1E9E9

border

#CBC5C5

text

#0D0303

muted

#7E7878

Preview Lab

Preview with #550E1B

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

Preview Lab → · Contrast checker → · Palette generator →