#181A22#181A22

#181A22 is a very dark, near-neutral blue. Relative luminance 0.010; OKLCH L 21.9% C 0.016 H 274.0°. Best body text is #FFFFFF at 17.36:1 contrast (WCAG AA passes).

Color values

HEX	#181A22
RGB	rgb(24, 26, 34)
HSL	hsl(228, 17%, 11%)
HSV	hsv(228, 29%, 13%)
CMYK	cmyk(29.4%, 23.5%, 0%, 86.7%)
CIE-LAB	lab(9.39, 1.38, -5.83)
CIE-LCH	lch(9.39, 5.99, 283.34°)
OKLab	oklab(21.94% 0.0011 -0.0159)
OKLCH	oklch(21.94% 0.016 274)
XYZ	xyz(1.0347, 1.0484, 1.6609)
Luminance	0.0105 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181A22 #222018

analogous

#181F22 #181A22 #1B1822

triadic

#181A22 #22181A #1A2218

tetradic

#181A22 #22181F #222018 #18221B

square

#181A22 #22181F #222018 #18221B

split-complementary

#181A22 #221B18 #1F2218

monochromatic

#0D0E12 #0D0E12 #181A22 #313546 #4B516A

Accessibility & contrast

On white

17.36

#181A22 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#181A22 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181A22

17.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181A22	#FFFFFF	#000000	##FFFFFF
##181A22	1.00	17.36	1.21	17.36
#FFFFFF	17.36	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#181B22

Deuteranopia (green-blind)

#171A22

Tritanopia (blue-blind)

#161B1D

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #181a22;
/* rgb */ color: rgb(24, 26, 34);
/* oklch */ color: oklch(21.9% 0.016 274.0);

Tailwind

colors: {
  custom: {
    50: '#54565d',
    500: '#181a22',
    950: '#000000',
  },
}

SCSS

$custom: #181a22;
$custom-light: #54565d;
$custom-dark: #000000;

JSON

{
  "hex": "#181a22",
  "rgb": {
    "r": 24,
    "g": 26,
    "b": 34
  },
  "hsl": {
    "h": 228,
    "s": 17.241,
    "l": 11.373
  },
  "oklch": {
    "l": 0.21936,
    "c": 0.01597,
    "h": 274
  },
  "luminance": 0.01048
}

Semantic roles & 50–950 ramp

primary

#181A22

secondary

#545042

accent

#AB6EBA

background

#F4F5F5

surface

#E7E9E9

border

#C3C5C5

text

#020304

muted

#787879

Preview Lab

Preview with #181A22

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

Preview Lab → · Contrast checker → · Palette generator →