#001B11#001B11

#001B11 is a very dark, muted teal. Relative luminance 0.008; OKLCH L 19.7% C 0.041 H 166.0°. Best body text is #FFFFFF at 18.03:1 contrast (WCAG AA passes).

Color values

HEX	#001B11
RGB	rgb(0, 27, 17)
HSL	hsl(158, 100%, 5%)
HSV	hsv(158, 100%, 11%)
CMYK	cmyk(100%, 0%, 37%, 89.4%)
CIE-LAB	lab(7.45, -11.90, 3.35)
CIE-LCH	lch(7.45, 12.36, 164.28°)
OKLab	oklab(19.7% -0.0397 0.0099)
OKLCH	oklch(19.7% 0.041 166)
XYZ	xyz(0.4930, 0.8243, 0.6633)
Luminance	0.0082 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#001B11 #1B000A

analogous

#001B04 #001B11 #00171B

triadic

#001B11 #11001B #1B1100

tetradic

#001B11 #04001B #1B000A #171B00

square

#001B11 #04001B #1B000A #171B00

split-complementary

#001B11 #1B0017 #1B0400

monochromatic

#001F13 #001F13 #001F13 #005838 #00955E

Accessibility & contrast

On white

18.03

#001B11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.16

#001B11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #001B11

18.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##001B11	#FFFFFF	#000000	##FFFFFF
##001B11	1.00	18.03	1.16	18.03
#FFFFFF	18.03	1.00	21.00	1.00
#000000	1.16	21.00	1.00	21.00
##FFFFFF	18.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A1810

Deuteranopia (green-blind)

#161512

Tritanopia (blue-blind)

#001B18

Achromatopsia (no color)

#161616

Design tokens & code

CSS

--color: #001b11;
/* rgb */ color: rgb(0, 27, 17);
/* oklch */ color: oklch(19.7% 0.041 166.0);

Tailwind

colors: {
  custom: {
    50: '#46574f',
    500: '#001b11',
    950: '#000000',
  },
}

SCSS

$custom: #001b11;
$custom-light: #46574f;
$custom-dark: #000000;

JSON

{
  "hex": "#001b11",
  "rgb": {
    "r": 0,
    "g": 27,
    "b": 17
  },
  "hsl": {
    "h": 157.778,
    "s": 100,
    "l": 5.294
  },
  "oklch": {
    "l": 0.19696,
    "c": 0.04087,
    "h": 166
  },
  "luminance": 0.00824
}

Semantic roles & 50–950 ramp

primary

#001B11

secondary

#651231

accent

#2978FF

background

#F3F5F4

surface

#E5E9E7

border

#C1C5C3

text

#000301

muted

#767877

Preview Lab

Preview with #001B11

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

Preview Lab → · Contrast checker → · Palette generator →