#180406#180406

#180406 is a very dark, muted red. Relative luminance 0.003; OKLCH L 14.8% C 0.039 H 14.8°. Best body text is #FFFFFF at 19.83:1 contrast (WCAG AA passes).

Color values

HEX	#180406
RGB	rgb(24, 4, 6)
HSL	hsl(354, 71%, 5%)
HSV	hsv(354, 83%, 9%)
CMYK	cmyk(0%, 83.3%, 75%, 90.6%)
CIE-LAB	lab(2.66, 7.10, 1.65)
CIE-LCH	lch(2.66, 7.29, 13.05°)
OKLab	oklab(14.82% 0.0376 0.01)
OKLCH	oklch(14.82% 0.039 14.8)
XYZ	xyz(0.4530, 0.2942, 0.2052)
Luminance	0.0029 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#180406 #041816

analogous

#180410 #180406 #180C04

triadic

#180406 #061804 #040618

tetradic

#180406 #101804 #041816 #0C0418

square

#180406 #101804 #041816 #0C0418

split-complementary

#180406 #04180C #041018

monochromatic

#1A0407 #1A0407 #1A0407 #4C0D13 #811520

Accessibility & contrast

On white

19.83

#180406 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#180406 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #180406

19.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##180406	#FFFFFF	#000000	##FFFFFF
##180406	1.00	19.83	1.06	19.83
#FFFFFF	19.83	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#080706

Deuteranopia (green-blind)

#0D0B06

Tritanopia (blue-blind)

#1B0205

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #180406;
/* rgb */ color: rgb(24, 4, 6);
/* oklch */ color: oklch(14.8% 0.039 14.8);

Tailwind

colors: {
  custom: {
    50: '#544849',
    500: '#180406',
    950: '#000000',
  },
}

SCSS

$custom: #180406;
$custom-light: #544849;
$custom-dark: #000000;

JSON

{
  "hex": "#180406",
  "rgb": {
    "r": 24,
    "g": 4,
    "b": 6
  },
  "hsl": {
    "h": 354,
    "s": 71.429,
    "l": 5.49
  },
  "oklch": {
    "l": 0.14815,
    "c": 0.03894,
    "h": 14.8
  },
  "luminance": 0.00294
}

Semantic roles & 50–950 ramp

primary

#180406

secondary

#1E5A54

accent

#EEDC3A

background

#F4F4F4

surface

#E7E6E6

border

#C3C2C2

text

#020000

muted

#787777

Preview Lab

Preview with #180406

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

Preview Lab → · Contrast checker → · Palette generator →