#0C182A#0C182A

#0C182A is a very dark, muted blue. Relative luminance 0.009; OKLCH L 20.8% C 0.040 H 258.3°. Best body text is #FFFFFF at 17.80:1 contrast (WCAG AA passes).

Color values

HEX	#0C182A
RGB	rgb(12, 24, 42)
HSL	hsl(216, 56%, 11%)
HSV	hsv(216, 71%, 16%)
CMYK	cmyk(71.4%, 42.9%, 0%, 83.5%)
CIE-LAB	lab(8.12, 1.68, -13.84)
CIE-LCH	lch(8.12, 13.94, 276.91°)
OKLab	oklab(20.83% -0.0081 -0.0391)
OKLCH	oklch(20.83% 0.04 258.3)
XYZ	xyz(0.8960, 0.8985, 2.3163)
Luminance	0.0090 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C182A #2A1E0C

analogous

#0C272A #0C182A #0F0C2A

triadic

#0C182A #2A0C18 #182A0C

tetradic

#0C182A #2A0C27 #2A1E0C #0C2A0F

square

#0C182A #2A0C27 #2A1E0C #0C2A0F

split-complementary

#0C182A #2A0F0C #272A0C

monochromatic

#070E18 #070E18 #0C182A #1A335A #274E89

Accessibility & contrast

On white

17.80

#0C182A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.18

#0C182A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C182A

17.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C182A	#FFFFFF	#000000	##FFFFFF
##0C182A	1.00	17.80	1.18	17.80
#FFFFFF	17.80	1.00	21.00	1.00
#000000	1.18	21.00	1.00	21.00
##FFFFFF	17.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#11192B

Deuteranopia (green-blind)

#0D162A

Tritanopia (blue-blind)

#001C1F

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0c182a;
/* rgb */ color: rgb(12, 24, 42);
/* oklch */ color: oklch(20.8% 0.040 258.3);

Tailwind

colors: {
  custom: {
    50: '#4e5463',
    500: '#0c182a',
    950: '#000000',
  },
}

SCSS

$custom: #0c182a;
$custom-light: #4e5463;
$custom-dark: #000000;

JSON

{
  "hex": "#0c182a",
  "rgb": {
    "r": 12,
    "g": 24,
    "b": 42
  },
  "hsl": {
    "h": 216,
    "s": 55.556,
    "l": 10.588
  },
  "oklch": {
    "l": 0.20831,
    "c": 0.03994,
    "h": 258.3
  },
  "luminance": 0.00899
}

Semantic roles & 50–950 ramp

primary

#0C182A

secondary

#654F2D

accent

#A349DF

background

#F4F4F5

surface

#E7E7EA

border

#C3C3C6

text

#010205

muted

#777879

Preview Lab

Preview with #0C182A

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

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