#181E2F#181E2F

#181E2F is a very dark, muted blue. Relative luminance 0.013; OKLCH L 23.8% C 0.034 H 268.8°. Best body text is #FFFFFF at 16.59:1 contrast (WCAG AA passes).

Color values

HEX	#181E2F
RGB	rgb(24, 30, 47)
HSL	hsl(224, 32%, 14%)
HSV	hsv(224, 49%, 18%)
CMYK	cmyk(48.9%, 36.2%, 0%, 81.6%)
CIE-LAB	lab(11.47, 2.80, -12.19)
CIE-LCH	lch(11.47, 12.50, 282.95°)
OKLab	oklab(23.78% -0.0007 -0.034)
OKLCH	oklch(23.78% 0.034 268.8)
XYZ	xyz(1.3539, 1.3279, 2.8737)
Luminance	0.0133 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#181E2F #2F2918

analogous

#182A2F #181E2F #1E182F

triadic

#181E2F #2F181E #1E2F18

tetradic

#181E2F #2F182A #2F2918 #182F1E

square

#181E2F #2F182A #2F2918 #182F1E

split-complementary

#181E2F #2F1E18 #2A2F18

monochromatic

#0A0D14 #0A0D14 #181E2F #2D3858 #415280

Accessibility & contrast

On white

16.59

#181E2F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#181E2F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #181E2F

16.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##181E2F	#FFFFFF	#000000	##FFFFFF
##181E2F	1.00	16.59	1.27	16.59
#FFFFFF	16.59	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#182030

Deuteranopia (green-blind)

#161E2F

Tritanopia (blue-blind)

#102124

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #181e2f;
/* rgb */ color: rgb(24, 30, 47);
/* oklch */ color: oklch(23.8% 0.034 268.8);

Tailwind

colors: {
  custom: {
    50: '#565967',
    500: '#181e2f',
    950: '#000000',
  },
}

SCSS

$custom: #181e2f;
$custom-light: #565967;
$custom-dark: #000000;

JSON

{
  "hex": "#181e2f",
  "rgb": {
    "r": 24,
    "g": 30,
    "b": 47
  },
  "hsl": {
    "h": 224.348,
    "s": 32.394,
    "l": 13.922
  },
  "oklch": {
    "l": 0.23777,
    "c": 0.03404,
    "h": 268.8
  },
  "luminance": 0.01328
}

Semantic roles & 50–950 ramp

primary

#181E2F

secondary

#645A3F

accent

#AD5FC9

background

#F5F5F6

surface

#E9E9EB

border

#C5C5C6

text

#030306

muted

#78787A

Preview Lab

Preview with #181E2F

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

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