#181822#181822

#181822 is a very dark, near-neutral blue. Relative luminance 0.010; OKLCH L 21.4% C 0.020 H 284.6°. Best body text is #FFFFFF at 17.61:1 contrast (WCAG AA passes).

Color values

HEX	#181822
RGB	rgb(24, 24, 34)
HSL	hsl(240, 17%, 11%)
HSV	hsv(240, 29%, 13%)
CMYK	cmyk(29.4%, 29.4%, 0%, 86.7%)
CIE-LAB	lab(8.68, 2.90, -6.91)
CIE-LCH	lch(8.68, 7.49, 292.74°)
OKLab	oklab(21.38% 0.0049 -0.019)
OKLCH	oklch(21.38% 0.02 284.6)
XYZ	xyz(0.9920, 0.9629, 1.6467)
Luminance	0.0096 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181822 #222218

analogous

#181D22 #181822 #1D1822

triadic

#181822 #221818 #182218

tetradic

#181822 #22181D #222218 #18221D

square

#181822 #22181D #222218 #18221D

split-complementary

#181822 #221D18 #1D2218

monochromatic

#0D0D12 #0D0D12 #181822 #313146 #4B4B6A

Accessibility & contrast

On white

17.61

#181822 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#181822 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181822

17.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181822	#FFFFFF	#000000	##FFFFFF
##181822	1.00	17.61	1.19	17.61
#FFFFFF	17.61	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151922

Deuteranopia (green-blind)

#151922

Tritanopia (blue-blind)

#161A1B

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #181822;
/* rgb */ color: rgb(24, 24, 34);
/* oklch */ color: oklch(21.4% 0.020 284.6);

Tailwind

colors: {
  custom: {
    50: '#54545d',
    500: '#181822',
    950: '#000000',
  },
}

SCSS

$custom: #181822;
$custom-light: #54545d;
$custom-dark: #000000;

JSON

{
  "hex": "#181822",
  "rgb": {
    "r": 24,
    "g": 24,
    "b": 34
  },
  "hsl": {
    "h": 240,
    "s": 17.241,
    "l": 11.373
  },
  "oklch": {
    "l": 0.21383,
    "c": 0.01958,
    "h": 284.6
  },
  "luminance": 0.00963
}

Semantic roles & 50–950 ramp

primary

#181822

secondary

#545442

accent

#BA6EBA

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#020204

muted

#787879

Preview Lab

Preview with #181822

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

Preview Lab → · Contrast checker → · Palette generator →