#55180E#55180E

#55180E is a dark, moderate red. Relative luminance 0.026; OKLCH L 30.7% C 0.093 H 31.8°. Best body text is #FFFFFF at 13.79:1 contrast (WCAG AA passes).

Color values

HEX	#55180E
RGB	rgb(85, 24, 14)
HSL	hsl(8, 72%, 19%)
HSV	hsv(8, 84%, 33%)
CMYK	cmyk(0%, 71.8%, 83.5%, 66.7%)
CIE-LAB	lab(18.44, 27.66, 21.75)
CIE-LCH	lch(18.44, 35.19, 38.19°)
OKLab	oklab(30.74% 0.0787 0.0489)
OKLCH	oklch(30.74% 0.093 31.8)
XYZ	xyz(4.1527, 2.6169, 0.7018)
Luminance	0.0262 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55180E #0E4B55

analogous

#550E28 #55180E #553C0E

triadic

#55180E #0E5518 #180E55

tetradic

#55180E #28550E #0E4B55 #3C0E55

square

#55180E #28550E #0E4B55 #3C0E55

split-complementary

#55180E #0E553C #0E2855

monochromatic

#1A0704 #200905 #55180E #8A2717 #BE361F

Accessibility & contrast

On white

13.79

#55180E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#55180E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #55180E

13.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55180E	#FFFFFF	#000000	##FFFFFF
##55180E	1.00	13.79	1.52	13.79
#FFFFFF	13.79	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29240C

Deuteranopia (green-blind)

#39320C

Tritanopia (blue-blind)

#5E0716

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #55180e;
/* rgb */ color: rgb(85, 24, 14);
/* oklch */ color: oklch(30.7% 0.093 31.8);

Tailwind

colors: {
  custom: {
    50: '#8b594d',
    500: '#55180e',
    950: '#000000',
  },
}

SCSS

$custom: #55180e;
$custom-light: #8b594d;
$custom-dark: #000000;

JSON

{
  "hex": "#55180e",
  "rgb": {
    "r": 85,
    "g": 24,
    "b": 14
  },
  "hsl": {
    "h": 8.451,
    "s": 71.717,
    "l": 19.412
  },
  "oklch": {
    "l": 0.30744,
    "c": 0.09262,
    "h": 31.8
  },
  "luminance": 0.02616
}

Semantic roles & 50–950 ramp

primary

#55180E

secondary

#30828F

accent

#D5EE39

background

#F9F5F4

surface

#F1E9E7

border

#CBC5C3

text

#0D0301

muted

#7E7877

Preview Lab

Preview with #55180E

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

Preview Lab → · Contrast checker → · Palette generator →