#000C1B#000C1B

#000C1B is a very dark, muted cyan. Relative luminance 0.003; OKLCH L 15.0% C 0.040 H 247.5°. Best body text is #FFFFFF at 19.66:1 contrast (WCAG AA passes).

Color values

HEX	#000C1B
RGB	rgb(0, 12, 27)
HSL	hsl(213, 100%, 5%)
HSV	hsv(213, 100%, 11%)
CMYK	cmyk(100%, 55.6%, 0%, 89.4%)
CIE-LAB	lab(3.09, 0.17, -10.13)
CIE-LCH	lch(3.09, 10.13, 270.96°)
OKLab	oklab(15.04% -0.0153 -0.0369)
OKLCH	oklch(15.04% 0.04 247.5)
XYZ	xyz(0.3292, 0.3420, 1.0854)
Luminance	0.0034 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#000C1B #1B0F00

analogous

#00191B #000C1B #01001B

triadic

#000C1B #1B000C #0C1B00

tetradic

#000C1B #1B0019 #1B0F00 #001B01

square

#000C1B #1B0019 #1B0F00 #001B01

split-complementary

#000C1B #1B0100 #191B00

monochromatic

#000E1F #000E1F #000E1F #002758 #004295

Accessibility & contrast

On white

19.66

#000C1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#000C1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #000C1B

19.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##000C1B	#FFFFFF	#000000	##FFFFFF
##000C1B	1.00	19.66	1.07	19.66
#FFFFFF	19.66	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#050D1C

Deuteranopia (green-blind)

#020A1B

Tritanopia (blue-blind)

#001012

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #000c1b;
/* rgb */ color: rgb(0, 12, 27);
/* oklch */ color: oklch(15.0% 0.040 247.5);

Tailwind

colors: {
  custom: {
    50: '#464c57',
    500: '#000c1b',
    950: '#000000',
  },
}

SCSS

$custom: #000c1b;
$custom-light: #464c57;
$custom-dark: #000000;

JSON

{
  "hex": "#000c1b",
  "rgb": {
    "r": 0,
    "g": 12,
    "b": 27
  },
  "hsl": {
    "h": 213.333,
    "s": 100,
    "l": 5.294
  },
  "oklch": {
    "l": 0.15041,
    "c": 0.04,
    "h": 247.5
  },
  "luminance": 0.00342
}

Semantic roles & 50–950 ramp

primary

#000C1B

secondary

#654012

accent

#A029FF

background

#F3F4F5

surface

#E5E7E9

border

#C1C3C5

text

#000103

muted

#767778

Preview Lab

Preview with #000C1B

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

Preview Lab → · Contrast checker → · Palette generator →