#011F1B#011F1B

#011F1B is a very dark, muted teal. Relative luminance 0.011; OKLCH L 21.5% C 0.037 H 182.7°. Best body text is #FFFFFF at 17.31:1 contrast (WCAG AA passes).

Color values

HEX	#011F1B
RGB	rgb(1, 31, 27)
HSL	hsl(172, 94%, 6%)
HSV	hsv(172, 97%, 12%)
CMYK	cmyk(96.8%, 0%, 12.9%, 87.8%)
CIE-LAB	lab(9.53, -12.38, -0.56)
CIE-LCH	lch(9.53, 12.39, 182.61°)
OKLab	oklab(21.54% -0.0372 -0.0017)
OKLCH	oklch(21.54% 0.037 182.7)
XYZ	xyz(0.7002, 1.0655, 1.2054)
Luminance	0.0107 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#011F1B #1F0105

analogous

#011F0C #011F1B #01141F

triadic

#011F1B #1B011F #1F1B01

tetradic

#011F1B #0C011F #1F0105 #141F01

square

#011F1B #0C011F #1F0105 #141F01

split-complementary

#011F1B #1F0114 #1F0C01

monochromatic

#011E1A #011E1A #011F1B #035A4F #059682

Accessibility & contrast

On white

17.31

#011F1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#011F1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #011F1B

17.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##011F1B	#FFFFFF	#000000	##FFFFFF
##011F1B	1.00	17.31	1.21	17.31
#FFFFFF	17.31	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D1C1B

Deuteranopia (green-blind)

#18191B

Tritanopia (blue-blind)

#00201E

Achromatopsia (no color)

#1B1B1B

Design tokens & code

CSS

--color: #011f1b;
/* rgb */ color: rgb(1, 31, 27);
/* oklch */ color: oklch(21.5% 0.037 182.7);

Tailwind

colors: {
  custom: {
    50: '#465a57',
    500: '#011f1b',
    950: '#000000',
  },
}

SCSS

$custom: #011f1b;
$custom-light: #465a57;
$custom-dark: #000000;

JSON

{
  "hex": "#011f1b",
  "rgb": {
    "r": 1,
    "g": 31,
    "b": 27
  },
  "hsl": {
    "h": 172,
    "s": 93.75,
    "l": 6.275
  },
  "oklch": {
    "l": 0.21542,
    "c": 0.0372,
    "h": 182.7
  },
  "luminance": 0.01066
}

Semantic roles & 50–950 ramp

primary

#011F1B

secondary

#671520

accent

#2945FF

background

#F4F5F5

surface

#E6E9E9

border

#C2C5C5

text

#000403

muted

#777978

Preview Lab

Preview with #011F1B

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

Preview Lab → · Contrast checker → · Palette generator →