#0B191B#0B191B

#0B191B is a very dark, near-neutral teal. Relative luminance 0.008; OKLCH L 20.2% C 0.020 H 207.3°. Best body text is #FFFFFF at 17.96:1 contrast (WCAG AA passes).

Color values

HEX	#0B191B
RGB	rgb(11, 25, 27)
HSL	hsl(188, 42%, 7%)
HSV	hsv(188, 59%, 11%)
CMYK	cmyk(59.3%, 7.4%, 0%, 89.4%)
CIE-LAB	lab(7.64, -4.92, -3.30)
CIE-LCH	lch(7.64, 5.93, 213.85°)
OKLab	oklab(20.17% -0.0176 -0.0091)
OKLCH	oklch(20.17% 0.02 207.3)
XYZ	xyz(0.6834, 0.8455, 1.1639)
Luminance	0.0085 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B191B #1B0D0B

analogous

#0B1B15 #0B191B #0B111B

triadic

#0B191B #1B0B19 #191B0B

tetradic

#0B191B #150B1B #1B0D0B #111B0B

square

#0B191B #150B1B #1B0D0B #111B0B

split-complementary

#0B191B #1B0B11 #1B150B

monochromatic

#091416 #091416 #0B191B #1D4146 #2E6A72

Accessibility & contrast

On white

17.96

#0B191B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.17

#0B191B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B191B

17.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B191B	#FFFFFF	#000000	##FFFFFF
##0B191B	1.00	17.96	1.17	17.96
#FFFFFF	17.96	1.00	21.00	1.00
#000000	1.17	21.00	1.00	21.00
##FFFFFF	17.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17181B

Deuteranopia (green-blind)

#14161B

Tritanopia (blue-blind)

#051A1A

Achromatopsia (no color)

#171717

Design tokens & code

CSS

--color: #0b191b;
/* rgb */ color: rgb(11, 25, 27);
/* oklch */ color: oklch(20.2% 0.020 207.3);

Tailwind

colors: {
  custom: {
    50: '#4b5557',
    500: '#0b191b',
    950: '#000000',
  },
}

SCSS

$custom: #0b191b;
$custom-light: #4b5557;
$custom-dark: #000000;

JSON

{
  "hex": "#0b191b",
  "rgb": {
    "r": 11,
    "g": 25,
    "b": 27
  },
  "hsl": {
    "h": 187.5,
    "s": 42.105,
    "l": 7.451
  },
  "oklch": {
    "l": 0.20167,
    "c": 0.01984,
    "h": 207.3
  },
  "luminance": 0.00846
}

Semantic roles & 50–950 ramp

primary

#0B191B

secondary

#54332E

accent

#6556D2

background

#F4F4F5

surface

#E7E7E9

border

#C3C3C5

text

#010303

muted

#777878

Preview Lab

Preview with #0B191B

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

Preview Lab → · Contrast checker → · Palette generator →