#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
RGBrgb(0, 12, 27)
HSLhsl(213, 100%, 5%)
HSVhsv(213, 100%, 11%)
CMYKcmyk(100%, 55.6%, 0%, 89.4%)
CIE-LABlab(3.09, 0.17, -10.13)
CIE-LCHlch(3.09, 10.13, 270.96°)
OKLaboklab(15.04% -0.0153 -0.0369)
OKLCHoklch(15.04% 0.04 247.5)
XYZxyz(0.3292, 0.3420, 1.0854)
Luminance0.0034 (WCAG relative)
Temperaturecool
Familycyan

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
##000C1B1.0019.661.0719.66
#FFFFFF19.661.0021.001.00
#0000001.0721.001.0021.00
##FFFFFF19.661.0021.001.00

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 →

#000C1B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva