#181C22#181C22

#181C22 is a very dark, near-neutral blue. Relative luminance 0.011; OKLCH L 22.5% C 0.013 H 258.4°. Best body text is #FFFFFF at 17.10:1 contrast (WCAG AA passes).

Color values

HEX	#181C22
RGB	rgb(24, 28, 34)
HSL	hsl(216, 17%, 11%)
HSV	hsv(216, 29%, 13%)
CMYK	cmyk(29.4%, 17.6%, 0%, 86.7%)
CIE-LAB	lab(10.11, -0.11, -4.74)
CIE-LCH	lch(10.11, 4.74, 268.69°)
OKLab	oklab(22.5% -0.0027 -0.0129)
OKLCH	oklch(22.5% 0.013 258.4)
XYZ	xyz(1.0806, 1.1402, 1.6762)
Luminance	0.0114 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181C22 #221E18

analogous

#182122 #181C22 #191822

triadic

#181C22 #22181C #1C2218

tetradic

#181C22 #221821 #221E18 #182219

square

#181C22 #221821 #221E18 #182219

split-complementary

#181C22 #221918 #212218

monochromatic

#0D0F12 #0D0F12 #181C22 #313A46 #4B576A

Accessibility & contrast

On white

17.10

#181C22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#181C22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181C22

17.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181C22	#FFFFFF	#000000	##FFFFFF
##181C22	1.00	17.10	1.23	17.10
#FFFFFF	17.10	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A1C22

Deuteranopia (green-blind)

#191B22

Tritanopia (blue-blind)

#151D1E

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #181c22;
/* rgb */ color: rgb(24, 28, 34);
/* oklch */ color: oklch(22.5% 0.013 258.4);

Tailwind

colors: {
  custom: {
    50: '#54575c',
    500: '#181c22',
    950: '#000000',
  },
}

SCSS

$custom: #181c22;
$custom-light: #54575c;
$custom-dark: #000000;

JSON

{
  "hex": "#181c22",
  "rgb": {
    "r": 24,
    "g": 28,
    "b": 34
  },
  "hsl": {
    "h": 216,
    "s": 17.241,
    "l": 11.373
  },
  "oklch": {
    "l": 0.22499,
    "c": 0.01318,
    "h": 258.4
  },
  "luminance": 0.0114
}

Semantic roles & 50–950 ramp

primary

#181C22

secondary

#544D42

accent

#9C6EBA

background

#F4F5F5

surface

#E7E9E9

border

#C3C5C5

text

#020304

muted

#787879

Preview Lab

Preview with #181C22

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

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