#001818#001818

#001818 is a very dark, muted teal. Relative luminance 0.007; OKLCH L 18.9% C 0.032 H 194.8°. Best body text is #FFFFFF at 18.36:1 contrast (WCAG AA passes).

Color values

HEX	#001818
RGB	rgb(0, 24, 24)
HSL	hsl(180, 100%, 5%)
HSV	hsv(180, 100%, 9%)
CMYK	cmyk(100%, 0%, 0%, 90.6%)
CIE-LAB	lab(6.50, -7.87, -2.77)
CIE-LCH	lch(6.50, 8.34, 199.41°)
OKLab	oklab(18.93% -0.0312 -0.0082)
OKLCH	oklch(18.93% 0.032 194.8)
XYZ	xyz(0.4914, 0.7191, 0.9769)
Luminance	0.0072 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#001818 #180000

analogous

#00180C #001818 #000C18

triadic

#001818 #180018 #181800

tetradic

#001818 #0C0018 #180000 #0C1800

square

#001818 #0C0018 #180000 #0C1800

split-complementary

#001818 #18000C #180C00

monochromatic

#001F1F #001F1F #001F1F #005555 #009292

Accessibility & contrast

On white

18.36

#001818 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#001818 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #001818

18.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##001818	#FFFFFF	#000000	##FFFFFF
##001818	1.00	18.36	1.14	18.36
#FFFFFF	18.36	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#151618

Deuteranopia (green-blind)

#111318

Tritanopia (blue-blind)

#001918

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #001818;
/* rgb */ color: rgb(0, 24, 24);
/* oklch */ color: oklch(18.9% 0.032 194.8);

Tailwind

colors: {
  custom: {
    50: '#465454',
    500: '#001818',
    950: '#000000',
  },
}

SCSS

$custom: #001818;
$custom-light: #465454;
$custom-dark: #000000;

JSON

{
  "hex": "#001818",
  "rgb": {
    "r": 0,
    "g": 24,
    "b": 24
  },
  "hsl": {
    "h": 180,
    "s": 100,
    "l": 4.706
  },
  "oklch": {
    "l": 0.18926,
    "c": 0.03231,
    "h": 194.8
  },
  "luminance": 0.00719
}

Semantic roles & 50–950 ramp

primary

#001818

secondary

#621111

accent

#2929FF

background

#F3F4F4

surface

#E5E7E7

border

#C1C3C3

text

#000202

muted

#777878

Preview Lab

Preview with #001818

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

Preview Lab → · Contrast checker → · Palette generator →