#55100C#55100C

#55100C is a dark, moderate red. Relative luminance 0.023; OKLCH L 29.8% C 0.101 H 28.3°. Best body text is #FFFFFF at 14.33:1 contrast (WCAG AA passes).

Color values

HEX	#55100C
RGB	rgb(85, 16, 12)
HSL	hsl(3, 75%, 19%)
HSV	hsv(3, 86%, 33%)
CMYK	cmyk(0%, 81.2%, 85.9%, 66.7%)
CIE-LAB	lab(17.13, 31.11, 21.14)
CIE-LCH	lch(17.13, 37.61, 34.20°)
OKLab	oklab(29.76% 0.089 0.048)
OKLCH	oklch(29.76% 0.101 28.3)
XYZ	xyz(3.9984, 2.3290, 0.5868)
Luminance	0.0233 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55100C #0C5155

analogous

#550C2D #55100C #55350C

triadic

#55100C #0C5510 #100C55

tetradic

#55100C #2D550C #0C5155 #350C55

square

#55100C #2D550C #0C5155 #350C55

split-complementary

#55100C #0C5535 #0C2D55

monochromatic

#1B0504 #1F0604 #55100C #8B1A14 #C0241B

Accessibility & contrast

On white

14.33

#55100C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.47

#55100C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #55100C

14.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55100C	#FFFFFF	#000000	##FFFFFF
##55100C	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)

#25210B

Deuteranopia (green-blind)

#363009

Tritanopia (blue-blind)

#5E0010

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #55100c;
/* rgb */ color: rgb(85, 16, 12);
/* oklch */ color: oklch(29.8% 0.101 28.3);

Tailwind

colors: {
  custom: {
    50: '#8c554c',
    500: '#55100c',
    950: '#000000',
  },
}

SCSS

$custom: #55100c;
$custom-light: #8c554c;
$custom-dark: #000000;

JSON

{
  "hex": "#55100c",
  "rgb": {
    "r": 85,
    "g": 16,
    "b": 12
  },
  "hsl": {
    "h": 3.288,
    "s": 75.258,
    "l": 19.02
  },
  "oklch": {
    "l": 0.29755,
    "c": 0.1011,
    "h": 28.3
  },
  "luminance": 0.02328
}

Semantic roles & 50–950 ramp

primary

#55100C

secondary

#2D8B90

accent

#E8F236

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #55100C

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

Preview Lab → · Contrast checker → · Palette generator →