#0C121F#0C121F

#0C121F is a very dark, muted blue. Relative luminance 0.006; OKLCH L 18.3% C 0.028 H 264.8°. Best body text is #FFFFFF at 18.72:1 contrast (WCAG AA passes).

Color values

HEX	#0C121F
RGB	rgb(12, 18, 31)
HSL	hsl(221, 44%, 8%)
HSV	hsv(221, 61%, 12%)
CMYK	cmyk(61.3%, 41.9%, 0%, 87.8%)
CIE-LAB	lab(5.51, 1.46, -9.56)
CIE-LCH	lch(5.51, 9.67, 278.69°)
OKLab	oklab(18.33% -0.0026 -0.0283)
OKLCH	oklch(18.33% 0.028 264.8)
XYZ	xyz(0.6152, 0.6097, 1.3813)
Luminance	0.0061 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C121F #1F190C

analogous

#0C1B1F #0C121F #0F0C1F

triadic

#0C121F #1F0C12 #121F0C

tetradic

#0C121F #1F0C1B #1F190C #0C1F0F

square

#0C121F #1F0C1B #1F190C #0C1F0F

split-complementary

#0C121F #1F0F0C #1B1F0C

monochromatic

#090D16 #090D16 #0C121F #1D2C4B #2E4577

Accessibility & contrast

On white

18.72

#0C121F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#0C121F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C121F

18.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C121F	#FFFFFF	#000000	##FFFFFF
##0C121F	1.00	18.72	1.12	18.72
#FFFFFF	18.72	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D1320

Deuteranopia (green-blind)

#0B111F

Tritanopia (blue-blind)

#061517

Achromatopsia (no color)

#121212

Design tokens & code

CSS

--color: #0c121f;
/* rgb */ color: rgb(12, 18, 31);
/* oklch */ color: oklch(18.3% 0.028 264.8);

Tailwind

colors: {
  custom: {
    50: '#4c505a',
    500: '#0c121f',
    950: '#000000',
  },
}

SCSS

$custom: #0c121f;
$custom-light: #4c505a;
$custom-dark: #000000;

JSON

{
  "hex": "#0c121f",
  "rgb": {
    "r": 12,
    "g": 18,
    "b": 31
  },
  "hsl": {
    "h": 221.053,
    "s": 44.186,
    "l": 8.431
  },
  "oklch": {
    "l": 0.18327,
    "c": 0.02845,
    "h": 264.8
  },
  "luminance": 0.0061
}

Semantic roles & 50–950 ramp

primary

#0C121F

secondary

#584B2F

accent

#AB54D4

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010203

muted

#777878

Preview Lab

Preview with #0C121F

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

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