#001F1F#001F1F

#001F1F is a very dark, muted teal. Relative luminance 0.011; OKLCH L 21.7% C 0.037 H 194.8°. Best body text is #FFFFFF at 17.27:1 contrast (WCAG AA passes).

Color values

HEX	#001F1F
RGB	rgb(0, 31, 31)
HSL	hsl(180, 100%, 6%)
HSV	hsv(180, 100%, 12%)
CMYK	cmyk(100%, 0%, 0%, 87.8%)
CIE-LAB	lab(9.63, -11.32, -3.38)
CIE-LCH	lch(9.63, 11.81, 196.64°)
OKLab	oklab(21.67% -0.0358 -0.0094)
OKLCH	oklch(21.67% 0.037 194.8)
XYZ	xyz(0.7372, 1.0788, 1.4654)
Luminance	0.0108 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#001F1F #1F0000

analogous

#001F0F #001F1F #000F1F

triadic

#001F1F #1F001F #1F1F00

tetradic

#001F1F #0F001F #1F0000 #0F1F00

square

#001F1F #0F001F #1F0000 #0F1F00

split-complementary

#001F1F #1F000F #1F0F00

monochromatic

#001F1F #001F1F #001F1F #005C5C #009999

Accessibility & contrast

On white

17.27

#001F1F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.22

#001F1F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #001F1F

17.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##001F1F	#FFFFFF	#000000	##FFFFFF
##001F1F	1.00	17.27	1.22	17.27
#FFFFFF	17.27	1.00	21.00	1.00
#000000	1.22	21.00	1.00	21.00
##FFFFFF	17.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1C1D1F

Deuteranopia (green-blind)

#17191F

Tritanopia (blue-blind)

#00201F

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #001f1f;
/* rgb */ color: rgb(0, 31, 31);
/* oklch */ color: oklch(21.7% 0.037 194.8);

Tailwind

colors: {
  custom: {
    50: '#465a5a',
    500: '#001f1f',
    950: '#000000',
  },
}

SCSS

$custom: #001f1f;
$custom-light: #465a5a;
$custom-dark: #000000;

JSON

{
  "hex": "#001f1f",
  "rgb": {
    "r": 0,
    "g": 31,
    "b": 31
  },
  "hsl": {
    "h": 180,
    "s": 100,
    "l": 6.078
  },
  "oklch": {
    "l": 0.21666,
    "c": 0.03698,
    "h": 194.8
  },
  "luminance": 0.01079
}

Semantic roles & 50–950 ramp

primary

#001F1F

secondary

#681212

accent

#2929FF

background

#F4F5F5

surface

#E6E9E9

border

#C2C5C5

text

#000403

muted

#777978

Preview Lab

Preview with #001F1F

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

Preview Lab → · Contrast checker → · Palette generator →