#001B19#001B19

#001B19 is a very dark, muted teal. Relative luminance 0.009; OKLCH L 20.0% C 0.035 H 188.2°. Best body text is #FFFFFF at 17.94:1 contrast (WCAG AA passes).

Color values

HEX	#001B19
RGB	rgb(0, 27, 25)
HSL	hsl(176, 100%, 5%)
HSV	hsv(176, 100%, 11%)
CMYK	cmyk(100%, 0%, 7.4%, 89.4%)
CIE-LAB	lab(7.71, -10.01, -1.74)
CIE-LCH	lch(7.71, 10.16, 189.88°)
OKLab	oklab(20.02% -0.0344 -0.0049)
OKLCH	oklch(20.02% 0.035 188.2)
XYZ	xyz(0.5673, 0.8540, 1.0544)
Luminance	0.0085 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#001B19 #1B0002

analogous

#001B0B #001B19 #000F1B

triadic

#001B19 #19001B #1B1900

tetradic

#001B19 #0B001B #1B0002 #0F1B00

square

#001B19 #0B001B #1B0002 #0F1B00

split-complementary

#001B19 #1B000F #1B0B00

monochromatic

#001F1C #001F1C #001F1C #005852 #00958A

Accessibility & contrast

On white

17.94

#001B19 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#001B19 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #001B19

17.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##001B19	#FFFFFF	#000000	##FFFFFF
##001B19	1.00	17.94	1.17	17.94
#FFFFFF	17.94	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#191919

Deuteranopia (green-blind)

#141619

Tritanopia (blue-blind)

#001C1A

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #001b19;
/* rgb */ color: rgb(0, 27, 25);
/* oklch */ color: oklch(20.0% 0.035 188.2);

Tailwind

colors: {
  custom: {
    50: '#465755',
    500: '#001b19',
    950: '#000000',
  },
}

SCSS

$custom: #001b19;
$custom-light: #465755;
$custom-dark: #000000;

JSON

{
  "hex": "#001b19",
  "rgb": {
    "r": 0,
    "g": 27,
    "b": 25
  },
  "hsl": {
    "h": 175.556,
    "s": 100,
    "l": 5.294
  },
  "oklch": {
    "l": 0.20017,
    "c": 0.03479,
    "h": 188.2
  },
  "luminance": 0.00854
}

Semantic roles & 50–950 ramp

primary

#001B19

secondary

#651218

accent

#2939FF

background

#F3F5F4

surface

#E5E9E7

border

#C1C5C3

text

#000303

muted

#767878

Preview Lab

Preview with #001B19

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

Preview Lab → · Contrast checker → · Palette generator →