#001F11#001F11

#001F11 is a very dark, muted teal. Relative luminance 0.010; OKLCH L 21.1% C 0.047 H 160.5°. Best body text is #FFFFFF at 17.44:1 contrast (WCAG AA passes).

Color values

HEX	#001F11
RGB	rgb(0, 31, 17)
HSL	hsl(153, 100%, 6%)
HSV	hsv(153, 100%, 12%)
CMYK	cmyk(100%, 0%, 45.2%, 87.8%)
CIE-LAB	lab(9.16, -15.27, 5.84)
CIE-LCH	lch(9.16, 16.35, 159.08°)
OKLab	oklab(21.12% -0.0447 0.0158)
OKLCH	oklch(21.12% 0.047 160.5)
XYZ	xyz(0.5911, 1.0204, 0.6960)
Luminance	0.0102 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#001F11 #1F000E

analogous

#001F01 #001F11 #001D1F

triadic

#001F11 #11001F #1F1100

tetradic

#001F11 #01001F #1F000E #1D1F00

square

#001F11 #01001F #1F000E #1D1F00

split-complementary

#001F11 #1F001D #1F0100

monochromatic

#001F11 #001F11 #001F11 #005C33 #009954

Accessibility & contrast

On white

17.44

#001F11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#001F11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #001F11

17.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##001F11	#FFFFFF	#000000	##FFFFFF
##001F11	1.00	17.44	1.20	17.44
#FFFFFF	17.44	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E1C10

Deuteranopia (green-blind)

#1A1912

Tritanopia (blue-blind)

#001F1B

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #001f11;
/* rgb */ color: rgb(0, 31, 17);
/* oklch */ color: oklch(21.1% 0.047 160.5);

Tailwind

colors: {
  custom: {
    50: '#455a4f',
    500: '#001f11',
    950: '#000000',
  },
}

SCSS

$custom: #001f11;
$custom-light: #455a4f;
$custom-dark: #000000;

JSON

{
  "hex": "#001f11",
  "rgb": {
    "r": 0,
    "g": 31,
    "b": 17
  },
  "hsl": {
    "h": 152.903,
    "s": 100,
    "l": 6.078
  },
  "oklch": {
    "l": 0.21123,
    "c": 0.0474,
    "h": 160.5
  },
  "luminance": 0.0102
}

Semantic roles & 50–950 ramp

primary

#001F11

secondary

#681239

accent

#298AFF

background

#F3F5F4

surface

#E5E9E7

border

#C1C5C3

text

#000401

muted

#767977

Preview Lab

Preview with #001F11

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

Preview Lab → · Contrast checker → · Palette generator →