#181A18#181A18

#181A18 is a very dark, near-neutral grey. Relative luminance 0.010; OKLCH L 21.5% C 0.005 H 145.4°. Best body text is #FFFFFF at 17.50:1 contrast (WCAG AA passes).

Color values

HEX	#181A18
RGB	rgb(24, 26, 24)
HSL	hsl(120, 4%, 10%)
HSV	hsv(120, 8%, 10%)
CMYK	cmyk(7.7%, 0%, 7.7%, 89.8%)
CIE-LAB	lab(8.98, -1.48, 1.07)
CIE-LCH	lch(8.98, 1.82, 144.15°)
OKLab	oklab(21.48% -0.004 0.0028)
OKLCH	oklch(21.48% 0.005 145.4)
XYZ	xyz(0.9109, 0.9989, 1.0088)
Luminance	0.0100 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181A18 #1A181A

analogous

#191A18 #181A18 #181A19

triadic

#181A18 #18181A #1A1818

tetradic

#181A18 #18191A #1A181A #1A1918

square

#181A18 #18191A #1A181A #1A1918

split-complementary

#181A18 #19181A #1A1819

monochromatic

#0F100F #0F100F #181A18 #353A35 #535A53

Accessibility & contrast

On white

17.50

#181A18 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#181A18 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181A18

17.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181A18	#FFFFFF	#000000	##FFFFFF
##181A18	1.00	17.50	1.20	17.50
#FFFFFF	17.50	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A1A18

Deuteranopia (green-blind)

#1A1918

Tritanopia (blue-blind)

#181A19

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #181a18;
/* rgb */ color: rgb(24, 26, 24);
/* oklch */ color: oklch(21.5% 0.005 145.4);

Tailwind

colors: {
  custom: {
    50: '#545654',
    500: '#181a18',
    950: '#000000',
  },
}

SCSS

$custom: #181a18;
$custom-light: #545654;
$custom-dark: #000000;

JSON

{
  "hex": "#181a18",
  "rgb": {
    "r": 24,
    "g": 26,
    "b": 24
  },
  "hsl": {
    "h": 120,
    "s": 4,
    "l": 9.804
  },
  "oklch": {
    "l": 0.21482,
    "c": 0.00492,
    "h": 145.4
  },
  "luminance": 0.00999
}

Semantic roles & 50–950 ramp

primary

#181A18

secondary

#494549

accent

#7BADAD

background

#F4F5F4

surface

#E7E9E7

border

#C3C5C3

text

#020302

muted

#787878

Preview Lab

Preview with #181A18

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

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