#181A1E#181A1E

#181A1E is a very dark, near-neutral blue. Relative luminance 0.010; OKLCH L 21.7% C 0.008 H 264.4°. Best body text is #FFFFFF at 17.42:1 contrast (WCAG AA passes).

Color values

HEX	#181A1E
RGB	rgb(24, 26, 30)
HSL	hsl(220, 11%, 11%)
HSV	hsv(220, 20%, 12%)
CMYK	cmyk(20%, 13.3%, 0%, 88.2%)
CIE-LAB	lab(9.21, 0.17, -3.10)
CIE-LCH	lch(9.21, 3.11, 273.11°)
OKLab	oklab(21.74% -0.0008 -0.0084)
OKLCH	oklch(21.74% 0.008 264.4)
XYZ	xyz(0.9804, 1.0267, 1.3746)
Luminance	0.0103 (WCAG relative)
Temperature	neutral
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181A1E #1E1C18

analogous

#181D1E #181A1E #19181E

triadic

#181A1E #1E181A #1A1E18

tetradic

#181A1E #1E181D #1E1C18 #181E19

square

#181A1E #1E181D #1E1C18 #181E19

split-complementary

#181A1E #1E1918 #1D1E18

monochromatic

#0E0F11 #0E0F11 #181A1E #333740 #4E5562

Accessibility & contrast

On white

17.42

#181A1E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#181A1E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181A1E

17.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181A1E	#FFFFFF	#000000	##FFFFFF
##181A1E	1.00	17.42	1.21	17.42
#FFFFFF	17.42	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191A1E

Deuteranopia (green-blind)

#181A1E

Tritanopia (blue-blind)

#171B1B

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #181a1e;
/* rgb */ color: rgb(24, 26, 30);
/* oklch */ color: oklch(21.7% 0.008 264.4);

Tailwind

colors: {
  custom: {
    50: '#545659',
    500: '#181a1e',
    950: '#000000',
  },
}

SCSS

$custom: #181a1e;
$custom-light: #545659;
$custom-dark: #000000;

JSON

{
  "hex": "#181a1e",
  "rgb": {
    "r": 24,
    "g": 26,
    "b": 30
  },
  "hsl": {
    "h": 220,
    "s": 11.111,
    "l": 10.588
  },
  "oklch": {
    "l": 0.21739,
    "c": 0.00842,
    "h": 264.4
  },
  "luminance": 0.01027
}

Semantic roles & 50–950 ramp

primary

#181A1E

secondary

#4F4B43

accent

#9F74B4

background

#F4F5F5

surface

#E7E9E9

border

#C3C5C5

text

#020303

muted

#787878

Preview Lab

Preview with #181A1E

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

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