#180804#180804

#180804 is a very dark, muted red. Relative luminance 0.004; OKLCH L 15.9% C 0.031 H 39.4°. Best body text is #FFFFFF at 19.53:1 contrast (WCAG AA passes).

Color values

HEX	#180804
RGB	rgb(24, 8, 4)
HSL	hsl(12, 71%, 5%)
HSV	hsv(12, 83%, 9%)
CMYK	cmyk(0%, 66.7%, 83.3%, 90.6%)
CIE-LAB	lab(3.40, 5.22, 3.55)
CIE-LCH	lch(3.40, 6.31, 34.21°)
OKLab	oklab(15.87% 0.024 0.0197)
OKLCH	oklch(15.87% 0.031 39.4)
XYZ	xyz(0.4855, 0.3767, 0.1620)
Luminance	0.0038 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180804 #041418

analogous

#18040A #180804 #181204

triadic

#180804 #041808 #080418

tetradic

#180804 #0A1804 #041418 #120418

square

#180804 #0A1804 #041418 #120418

split-complementary

#180804 #041812 #040A18

monochromatic

#1A0904 #1A0904 #1A0904 #4C190D #812B15

Accessibility & contrast

On white

19.53

#180804 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#180804 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180804

19.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180804	#FFFFFF	#000000	##FFFFFF
##180804	1.00	19.53	1.08	19.53
#FFFFFF	19.53	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C0A04

Deuteranopia (green-blind)

#100E04

Tritanopia (blue-blind)

#1B0607

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #180804;
/* rgb */ color: rgb(24, 8, 4);
/* oklch */ color: oklch(15.9% 0.031 39.4);

Tailwind

colors: {
  custom: {
    50: '#544a48',
    500: '#180804',
    950: '#000000',
  },
}

SCSS

$custom: #180804;
$custom-light: #544a48;
$custom-dark: #000000;

JSON

{
  "hex": "#180804",
  "rgb": {
    "r": 24,
    "g": 8,
    "b": 4
  },
  "hsl": {
    "h": 12,
    "s": 71.429,
    "l": 5.49
  },
  "oklch": {
    "l": 0.15872,
    "c": 0.03102,
    "h": 39.4
  },
  "luminance": 0.00377
}

Semantic roles & 50–950 ramp

primary

#180804

secondary

#1E4E5A

accent

#CAEE3A

background

#F4F4F4

surface

#E7E7E6

border

#C3C3C2

text

#020100

muted

#787777

Preview Lab

Preview with #180804

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

Preview Lab → · Contrast checker → · Palette generator →