#011B17#011B17

#011B17 is a very dark, muted teal. Relative luminance 0.009; OKLCH L 20.0% C 0.034 H 181.5°. Best body text is #FFFFFF at 17.94:1 contrast (WCAG AA passes).

Color values

HEX	#011B17
RGB	rgb(1, 27, 23)
HSL	hsl(171, 93%, 5%)
HSV	hsv(171, 96%, 11%)
CMYK	cmyk(96.3%, 0%, 14.8%, 89.4%)
CIE-LAB	lab(7.70, -10.28, -0.25)
CIE-LCH	lch(7.70, 10.28, 181.41°)
OKLab	oklab(19.99% -0.0345 -0.0009)
OKLCH	oklch(19.99% 0.034 181.5)
XYZ	xyz(0.5590, 0.8521, 0.9455)
Luminance	0.0085 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#011B17 #1B0105

analogous

#011B0A #011B17 #01121B

triadic

#011B17 #17011B #1B1701

tetradic

#011B17 #0A011B #1B0105 #121B01

square

#011B17 #0A011B #1B0105 #121B01

split-complementary

#011B17 #1B0112 #1B0A01

monochromatic

#011E19 #011E19 #011E19 #035649 #05917C

Accessibility & contrast

On white

17.94

#011B17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#011B17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #011B17

17.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##011B17	#FFFFFF	#000000	##FFFFFF
##011B17	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)

#191917

Deuteranopia (green-blind)

#151617

Tritanopia (blue-blind)

#001C1A

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #011b17;
/* rgb */ color: rgb(1, 27, 23);
/* oklch */ color: oklch(20.0% 0.034 181.5);

Tailwind

colors: {
  custom: {
    50: '#465753',
    500: '#011b17',
    950: '#000000',
  },
}

SCSS

$custom: #011b17;
$custom-light: #465753;
$custom-dark: #000000;

JSON

{
  "hex": "#011b17",
  "rgb": {
    "r": 1,
    "g": 27,
    "b": 23
  },
  "hsl": {
    "h": 170.769,
    "s": 92.857,
    "l": 5.49
  },
  "oklch": {
    "l": 0.19995,
    "c": 0.03449,
    "h": 181.5
  },
  "luminance": 0.00852
}

Semantic roles & 50–950 ramp

primary

#011B17

secondary

#631521

accent

#294AFF

background

#F3F5F4

surface

#E5E9E7

border

#C1C5C3

text

#000302

muted

#767878

Preview Lab

Preview with #011B17

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

Preview Lab → · Contrast checker → · Palette generator →