#0C182F#0C182F

#0C182F is a very dark, muted blue. Relative luminance 0.009; OKLCH L 21.2% C 0.049 H 262.2°. Best body text is #FFFFFF at 17.69:1 contrast (WCAG AA passes).

Color values

HEX	#0C182F
RGB	rgb(12, 24, 47)
HSL	hsl(219, 59%, 12%)
HSV	hsv(219, 74%, 18%)
CMYK	cmyk(74.5%, 48.9%, 0%, 81.6%)
CIE-LAB	lab(8.45, 3.84, -17.00)
CIE-LCH	lch(8.45, 17.43, 282.74°)
OKLab	oklab(21.2% -0.0066 -0.0483)
OKLCH	oklch(21.2% 0.049 262.2)
XYZ	xyz(0.9912, 0.9366, 2.8173)
Luminance	0.0094 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C182F #2F230C

analogous

#0C2A2F #0C182F #120C2F

triadic

#0C182F #2F0C18 #182F0C

tetradic

#0C182F #2F0C2A #2F230C #0C2F12

square

#0C182F #2F0C2A #2F230C #0C2F12

split-complementary

#0C182F #2F120C #2A2F0C

monochromatic

#060C18 #060C18 #0C182F #183160 #254A91

Accessibility & contrast

On white

17.69

#0C182F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#0C182F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C182F

17.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C182F	#FFFFFF	#000000	##FFFFFF
##0C182F	1.00	17.69	1.19	17.69
#FFFFFF	17.69	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E1A30

Deuteranopia (green-blind)

#09172F

Tritanopia (blue-blind)

#001D21

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #0c182f;
/* rgb */ color: rgb(12, 24, 47);
/* oklch */ color: oklch(21.2% 0.049 262.2);

Tailwind

colors: {
  custom: {
    50: '#4f5467',
    500: '#0c182f',
    950: '#000000',
  },
}

SCSS

$custom: #0c182f;
$custom-light: #4f5467;
$custom-dark: #000000;

JSON

{
  "hex": "#0c182f",
  "rgb": {
    "r": 12,
    "g": 24,
    "b": 47
  },
  "hsl": {
    "h": 219.429,
    "s": 59.322,
    "l": 11.569
  },
  "oklch": {
    "l": 0.21202,
    "c": 0.04879,
    "h": 262.2
  },
  "luminance": 0.00937
}

Semantic roles & 50–950 ramp

primary

#0C182F

secondary

#6B552C

accent

#AD45E3

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#020206

muted

#78787A

Preview Lab

Preview with #0C182F

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

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