#001B27#001B27

#001B27 is a very dark, muted cyan. Relative luminance 0.009; OKLCH L 20.8% C 0.041 H 229.9°. Best body text is #FFFFFF at 17.71:1 contrast (WCAG AA passes).

Color values

HEX	#001B27
RGB	rgb(0, 27, 39)
HSL	hsl(198, 100%, 8%)
HSV	hsv(198, 100%, 15%)
CMYK	cmyk(100%, 30.8%, 0%, 84.7%)
CIE-LAB	lab(8.40, -5.14, -11.22)
CIE-LCH	lch(8.40, 12.34, 245.39°)
OKLab	oklab(20.8% -0.0267 -0.0317)
OKLCH	oklch(20.8% 0.041 229.9)
XYZ	xyz(0.7580, 0.9302, 2.0587)
Luminance	0.0093 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#001B27 #270C00

analogous

#002720 #001B27 #000727

triadic

#001B27 #27001B #1B2700

tetradic

#001B27 #200027 #270C00 #072700

square

#001B27 #200027 #270C00 #072700

split-complementary

#001B27 #270007 #272000

monochromatic

#00151F #00151F #001B27 #004564 #0070A1

Accessibility & contrast

On white

17.71

#001B27 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#001B27 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #001B27

17.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##001B27	#FFFFFF	#000000	##FFFFFF
##001B27	1.00	17.71	1.19	17.71
#FFFFFF	17.71	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151A28

Deuteranopia (green-blind)

#0F1727

Tritanopia (blue-blind)

#001E1F

Achromatopsia (no color)

#181818

Design tokens & code

CSS

--color: #001b27;
/* rgb */ color: rgb(0, 27, 39);
/* oklch */ color: oklch(20.8% 0.041 229.9);

Tailwind

colors: {
  custom: {
    50: '#475761',
    500: '#001b27',
    950: '#000000',
  },
}

SCSS

$custom: #001b27;
$custom-light: #475761;
$custom-dark: #000000;

JSON

{
  "hex": "#001b27",
  "rgb": {
    "r": 0,
    "g": 27,
    "b": 39
  },
  "hsl": {
    "h": 198.462,
    "s": 100,
    "l": 7.647
  },
  "oklch": {
    "l": 0.20798,
    "c": 0.04141,
    "h": 229.9
  },
  "luminance": 0.0093
}

Semantic roles & 50–950 ramp

primary

#001B27

secondary

#6F3014

accent

#6B29FF

background

#F4F5F5

surface

#E6E9E9

border

#C2C5C5

text

#000305

muted

#777879

Preview Lab

Preview with #001B27

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

Preview Lab → · Contrast checker → · Palette generator →