#001B2C#001B2C

#001B2C is a very dark, muted cyan. Relative luminance 0.010; OKLCH L 21.1% C 0.048 H 239.2°. Best body text is #FFFFFF at 17.60:1 contrast (WCAG AA passes).

Color values

HEX#001B2C
RGBrgb(0, 27, 44)
HSLhsl(203, 100%, 9%)
HSVhsv(203, 100%, 17%)
CMYKcmyk(100%, 38.6%, 0%, 82.7%)
CIE-LABlab(8.70, -2.83, -14.44)
CIE-LCHlch(8.70, 14.71, 258.89°)
OKLaboklab(21.14% -0.0245 -0.0411)
OKLCHoklch(21.14% 0.048 239.2)
XYZxyz(0.8464, 0.9656, 2.5242)
Luminance0.0097 (WCAG relative)
Temperaturecool
Familycyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#001B2C #2C1100
analogous
#002C27 #001B2C #00052C
triadic
#001B2C #2C001B #1B2C00
tetradic
#001B2C #27002C #2C1100 #052C00
square
#001B2C #27002C #2C1100 #052C00
split-complementary
#001B2C #2C0005 #2C2700
monochromatic
#00131F #00131F #001B2C #004169 #0066A6

Accessibility & contrast

On white

17.60
#001B2C on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.19
#001B2C on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #001B2C
17.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##001B2C#FFFFFF#000000##FFFFFF
##001B2C1.0017.601.1917.60
#FFFFFF17.601.0021.001.00
#0000001.1921.001.0021.00
##FFFFFF17.601.0021.001.00

Color blindness preview

Protanopia (red-blind)
#131B2D
Deuteranopia (green-blind)
#0C172C
Tritanopia (blue-blind)
#001F21
Achromatopsia (no color)
#191919

Design tokens & code

CSS
--color: #001b2c;
/* rgb */ color: rgb(0, 27, 44);
/* oklch */ color: oklch(21.1% 0.048 239.2);
Tailwind
colors: {
  custom: {
    50: '#485765',
    500: '#001b2c',
    950: '#000000',
  },
}
SCSS
$custom: #001b2c;
$custom-light: #485765;
$custom-dark: #000000;
JSON
{
  "hex": "#001b2c",
  "rgb": {
    "r": 0,
    "g": 27,
    "b": 44
  },
  "hsl": {
    "h": 203.182,
    "s": 100,
    "l": 8.627
  },
  "oklch": {
    "l": 0.21142,
    "c": 0.04779,
    "h": 239.2
  },
  "luminance": 0.00966
}

Semantic roles & 50–950 ramp

primary
#001B2C
secondary
#733914
accent
#7C29FF
background
#F4F5F6
surface
#E7E9EB
border
#C3C5C6
text
#010305
muted
#77787A

Preview Lab

Preview with #001B2C

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

Preview Lab → · Contrast checker → · Palette generator →

#001B2C Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva