#0C181E#0C181E

#0C181E is a very dark, muted cyan. Relative luminance 0.008; OKLCH L 20.1% C 0.021 H 230.9°. Best body text is #FFFFFF at 18.03:1 contrast (WCAG AA passes).

Color values

HEX	#0C181E
RGB	rgb(12, 24, 30)
HSL	hsl(200, 43%, 8%)
HSV	hsv(200, 60%, 12%)
CMYK	cmyk(60%, 20%, 0%, 88.2%)
CIE-LAB	lab(7.45, -2.94, -5.85)
CIE-LCH	lch(7.45, 6.55, 243.34°)
OKLab	oklab(20.08% -0.0132 -0.0162)
OKLCH	oklch(20.08% 0.021 230.9)
XYZ	xyz(0.7125, 0.8251, 1.3498)
Luminance	0.0083 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C181E #1E120C

analogous

#0C1E1B #0C181E #0C0F1E

triadic

#0C181E #1E0C18 #181E0C

tetradic

#0C181E #1B0C1E #1E120C #0F1E0C

square

#0C181E #1B0C1E #1E120C #0F1E0C

split-complementary

#0C181E #1E0C0F #1E1B0C

monochromatic

#091116 #091116 #0C181E #1D3B4A #2F5E75

Accessibility & contrast

On white

18.03

#0C181E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#0C181E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C181E

18.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C181E	#FFFFFF	#000000	##FFFFFF
##0C181E	1.00	18.03	1.17	18.03
#FFFFFF	18.03	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	18.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15181E

Deuteranopia (green-blind)

#12161E

Tritanopia (blue-blind)

#051A1A

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #0c181e;
/* rgb */ color: rgb(12, 24, 30);
/* oklch */ color: oklch(20.1% 0.021 230.9);

Tailwind

colors: {
  custom: {
    50: '#4c5459',
    500: '#0c181e',
    950: '#000000',
  },
}

SCSS

$custom: #0c181e;
$custom-light: #4c5459;
$custom-dark: #000000;

JSON

{
  "hex": "#0c181e",
  "rgb": {
    "r": 12,
    "g": 24,
    "b": 30
  },
  "hsl": {
    "h": 200,
    "s": 42.857,
    "l": 8.235
  },
  "oklch": {
    "l": 0.20078,
    "c": 0.02093,
    "h": 230.9
  },
  "luminance": 0.00825
}

Semantic roles & 50–950 ramp

primary

#0C181E

secondary

#573C2F

accent

#7F55D3

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010203

muted

#777878

Preview Lab

Preview with #0C181E

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

Preview Lab → · Contrast checker → · Palette generator →