#00181A#00181A

#00181A is a very dark, muted teal. Relative luminance 0.007; OKLCH L 19.0% C 0.032 H 202.0°. Best body text is #FFFFFF at 18.33:1 contrast (WCAG AA passes).

Color values

HEX	#00181A
RGB	rgb(0, 24, 26)
HSL	hsl(185, 100%, 5%)
HSV	hsv(185, 100%, 10%)
CMYK	cmyk(100%, 7.7%, 0%, 89.8%)
CIE-LAB	lab(6.57, -7.32, -4.19)
CIE-LCH	lch(6.57, 8.44, 209.78°)
OKLab	oklab(19.03% -0.03 -0.0121)
OKLCH	oklch(19.03% 0.032 202)
XYZ	xyz(0.5130, 0.7278, 1.0905)
Luminance	0.0073 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#00181A #1A0200

analogous

#001A0F #00181A #000B1A

triadic

#00181A #1A0018 #181A00

tetradic

#00181A #0F001A #1A0200 #0B1A00

square

#00181A #0F001A #1A0200 #0B1A00

split-complementary

#00181A #1A000B #1A0F00

monochromatic

#001C1F #001C1F #001C1F #005057 #008994

Accessibility & contrast

On white

18.33

#00181A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.15

#00181A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #00181A

18.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##00181A	#FFFFFF	#000000	##FFFFFF
##00181A	1.00	18.33	1.15	18.33
#FFFFFF	18.33	1.00	21.00	1.00
#000000	1.15	21.00	1.00	21.00
##FFFFFF	18.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15161A

Deuteranopia (green-blind)

#11131A

Tritanopia (blue-blind)

#001A19

Achromatopsia (no color)

#151515

Design tokens & code

CSS

--color: #00181a;
/* rgb */ color: rgb(0, 24, 26);
/* oklch */ color: oklch(19.0% 0.032 202.0);

Tailwind

colors: {
  custom: {
    50: '#465456',
    500: '#00181a',
    950: '#000000',
  },
}

SCSS

$custom: #00181a;
$custom-light: #465456;
$custom-dark: #000000;

JSON

{
  "hex": "#00181a",
  "rgb": {
    "r": 0,
    "g": 24,
    "b": 26
  },
  "hsl": {
    "h": 184.615,
    "s": 100,
    "l": 5.098
  },
  "oklch": {
    "l": 0.19028,
    "c": 0.03238,
    "h": 202
  },
  "luminance": 0.00728
}

Semantic roles & 50–950 ramp

primary

#00181A

secondary

#641812

accent

#3929FF

background

#F3F4F5

surface

#E5E7E9

border

#C1C3C5

text

#000203

muted

#767878

Preview Lab

Preview with #00181A

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

Preview Lab → · Contrast checker → · Palette generator →