#18181C#18181C

#18181C is a very dark, near-neutral grey. Relative luminance 0.009; OKLCH L 21.1% C 0.008 H 285.7°. Best body text is #FFFFFF at 17.70:1 contrast (WCAG AA passes).

Color values

HEX	#18181C
RGB	rgb(24, 24, 28)
HSL	hsl(240, 8%, 10%)
HSV	hsv(240, 14%, 11%)
CMYK	cmyk(14.3%, 14.3%, 0%, 89%)
CIE-LAB	lab(8.41, 1.09, -2.80)
CIE-LCH	lch(8.41, 3.00, 291.24°)
OKLab	oklab(21.08% 0.0021 -0.0075)
OKLCH	oklch(21.08% 0.008 285.7)
XYZ	xyz(0.9129, 0.9313, 1.2300)
Luminance	0.0093 (WCAG relative)
Temperature	neutral
Family	grey

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#18181C #1C1C18

analogous

#181A1C #18181C #1A181C

triadic

#18181C #1C1818 #181C18

tetradic

#18181C #1C181A #1C1C18 #181C1A

square

#18181C #1C181A #1C1C18 #181C1A

split-complementary

#18181C #1C1A18 #1A1C18

monochromatic

#0E0E10 #0E0E10 #18181C #34343D #50505E

Accessibility & contrast

On white

17.70

#18181C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#18181C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #18181C

17.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##18181C	#FFFFFF	#000000	##FFFFFF
##18181C	1.00	17.70	1.19	17.70
#FFFFFF	17.70	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17181C

Deuteranopia (green-blind)

#17181C

Tritanopia (blue-blind)

#171919

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #18181c;
/* rgb */ color: rgb(24, 24, 28);
/* oklch */ color: oklch(21.1% 0.008 285.7);

Tailwind

colors: {
  custom: {
    50: '#545457',
    500: '#18181c',
    950: '#000000',
  },
}

SCSS

$custom: #18181c;
$custom-light: #545457;
$custom-dark: #000000;

JSON

{
  "hex": "#18181c",
  "rgb": {
    "r": 24,
    "g": 24,
    "b": 28
  },
  "hsl": {
    "h": 240,
    "s": 7.692,
    "l": 10.196
  },
  "oklch": {
    "l": 0.21079,
    "c": 0.00782,
    "h": 285.7
  },
  "luminance": 0.00931
}

Semantic roles & 50–950 ramp

primary

#18181C

secondary

#4C4C44

accent

#B177B1

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#020203

muted

#787878

Preview Lab

Preview with #18181C

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

Preview Lab → · Contrast checker → · Palette generator →