#00191B#00191B

#00191B is a very dark, muted teal. Relative luminance 0.008; OKLCH L 19.4% C 0.033 H 201.8°. Best body text is #FFFFFF at 18.18:1 contrast (WCAG AA passes).

Color values

HEX	#00191B
RGB	rgb(0, 25, 27)
HSL	hsl(184, 100%, 5%)
HSV	hsv(184, 100%, 11%)
CMYK	cmyk(100%, 7.4%, 0%, 89.4%)
CIE-LAB	lab(6.99, -7.81, -4.33)
CIE-LCH	lch(6.99, 8.93, 209.02°)
OKLab	oklab(19.43% -0.0307 -0.0123)
OKLCH	oklch(19.43% 0.033 201.8)
XYZ	xyz(0.5454, 0.7743, 1.1574)
Luminance	0.0077 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#00191B #1B0200

analogous

#001B0F #00191B #000B1B

triadic

#00191B #1B0019 #191B00

tetradic

#00191B #0F001B #1B0200 #0B1B00

square

#00191B #0F001B #1B0200 #0B1B00

split-complementary

#00191B #1B000B #1B0F00

monochromatic

#001C1F #001C1F #001C1F #005258 #008A95

Accessibility & contrast

On white

18.18

#00191B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#00191B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #00191B

18.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##00191B	#FFFFFF	#000000	##FFFFFF
##00191B	1.00	18.18	1.15	18.18
#FFFFFF	18.18	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#16171B

Deuteranopia (green-blind)

#12141B

Tritanopia (blue-blind)

#001B1A

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #00191b;
/* rgb */ color: rgb(0, 25, 27);
/* oklch */ color: oklch(19.4% 0.033 201.8);

Tailwind

colors: {
  custom: {
    50: '#465557',
    500: '#00191b',
    950: '#000000',
  },
}

SCSS

$custom: #00191b;
$custom-light: #465557;
$custom-dark: #000000;

JSON

{
  "hex": "#00191b",
  "rgb": {
    "r": 0,
    "g": 25,
    "b": 27
  },
  "hsl": {
    "h": 184.444,
    "s": 100,
    "l": 5.294
  },
  "oklch": {
    "l": 0.19425,
    "c": 0.03305,
    "h": 201.8
  },
  "luminance": 0.00774
}

Semantic roles & 50–950 ramp

primary

#00191B

secondary

#651812

accent

#3929FF

background

#F3F4F5

surface

#E5E7E9

border

#C1C3C5

text

#000303

muted

#767878

Preview Lab

Preview with #00191B

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

Preview Lab → · Contrast checker → · Palette generator →