#0C101C#0C101C

#0C101C is a very dark, muted blue. Relative luminance 0.005; OKLCH L 17.5% C 0.026 H 269.5°. Best body text is #FFFFFF at 18.98:1 contrast (WCAG AA passes).

Color values

HEX	#0C101C
RGB	rgb(12, 16, 28)
HSL	hsl(225, 40%, 8%)
HSV	hsv(225, 57%, 11%)
CMYK	cmyk(57.1%, 42.9%, 0%, 89%)
CIE-LAB	lab(4.81, 1.65, -8.28)
CIE-LCH	lch(4.81, 8.45, 281.24°)
OKLab	oklab(17.54% -0.0002 -0.0258)
OKLCH	oklch(17.54% 0.026 269.5)
XYZ	xyz(0.5464, 0.5326, 1.1724)
Luminance	0.0053 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0C101C #1C180C

analogous

#0C181C #0C101C #100C1C

triadic

#0C101C #1C0C10 #101C0C

tetradic

#0C101C #1C0C18 #1C180C #0C1C10

square

#0C101C #1C0C18 #1C180C #0C1C10

split-complementary

#0C101C #1C100C #181C0C

monochromatic

#090C15 #090C15 #0C101C #1E2847 #314172

Accessibility & contrast

On white

18.98

#0C101C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.11

#0C101C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0C101C

18.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0C101C	#FFFFFF	#000000	##FFFFFF
##0C101C	1.00	18.98	1.11	18.98
#FFFFFF	18.98	1.00	21.00	1.00
#000000	1.11	21.00	1.00	21.00
##FFFFFF	18.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C111D

Deuteranopia (green-blind)

#0A101C

Tritanopia (blue-blind)

#071214

Achromatopsia (no color)

#101010

Design tokens & code

CSS

--color: #0c101c;
/* rgb */ color: rgb(12, 16, 28);
/* oklch */ color: oklch(17.5% 0.026 269.5);

Tailwind

colors: {
  custom: {
    50: '#4c4e58',
    500: '#0c101c',
    950: '#000000',
  },
}

SCSS

$custom: #0c101c;
$custom-light: #4c4e58;
$custom-dark: #000000;

JSON

{
  "hex": "#0c101c",
  "rgb": {
    "r": 12,
    "g": 16,
    "b": 28
  },
  "hsl": {
    "h": 225,
    "s": 40,
    "l": 7.843
  },
  "oklch": {
    "l": 0.17541,
    "c": 0.02582,
    "h": 269.5
  },
  "luminance": 0.00533
}

Semantic roles & 50–950 ramp

primary

#0C101C

secondary

#544B2F

accent

#B258D0

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010103

muted

#777778

Preview Lab

Preview with #0C101C

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

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