#000019#000019

#000019 is a very dark, moderate blue. Relative luminance 0.001; OKLCH L 9.6% C 0.067 H 264.0°. Best body text is #FFFFFF at 20.71:1 contrast (WCAG AA passes).

Color values

HEX	#000019
RGB	rgb(0, 0, 25)
HSL	hsl(240, 100%, 5%)
HSV	hsv(240, 100%, 10%)
CMYK	cmyk(100%, 100%, 0%, 90.2%)
CIE-LAB	lab(0.63, 4.45, -12.12)
CIE-LCH	lch(0.63, 12.91, 290.17°)
OKLab	oklab(9.65% -0.0069 -0.0665)
OKLCH	oklch(9.65% 0.067 264)
XYZ	xyz(0.1754, 0.0702, 0.9238)
Luminance	0.0007 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#000019 #191900

analogous

#000D19 #000019 #0D0019

triadic

#000019 #190000 #001900

tetradic

#000019 #19000D #191900 #00190D

square

#000019 #19000D #191900 #00190D

split-complementary

#000019 #190D00 #0D1900

monochromatic

#00001F #00001F #00001F #000056 #000093

Accessibility & contrast

On white

20.71

#000019 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.01

#000019 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #000019

20.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##000019	#FFFFFF	#000000	##FFFFFF
##000019	1.00	20.71	1.01	20.71
#FFFFFF	20.71	1.00	21.00	1.00
#000000	1.01	21.00	1.00	21.00
##FFFFFF	20.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00031A

Deuteranopia (green-blind)

#000218

Tritanopia (blue-blind)

#00050A

Achromatopsia (no color)

#020202

Design tokens & code

CSS

--color: #000019;
/* rgb */ color: rgb(0, 0, 25);
/* oklch */ color: oklch(9.6% 0.067 264.0);

Tailwind

colors: {
  custom: {
    50: '#464755',
    500: '#000019',
    950: '#000000',
  },
}

SCSS

$custom: #000019;
$custom-light: #464755;
$custom-dark: #000000;

JSON

{
  "hex": "#000019",
  "rgb": {
    "r": 0,
    "g": 0,
    "b": 25
  },
  "hsl": {
    "h": 240,
    "s": 100,
    "l": 4.902
  },
  "oklch": {
    "l": 0.09647,
    "c": 0.06685,
    "h": 264
  },
  "luminance": 0.0007
}

Semantic roles & 50–950 ramp

primary

#000019

secondary

#636312

accent

#FF29FF

background

#F3F3F4

surface

#E5E5E7

border

#C1C1C3

text

#000003

muted

#767778

Preview Lab

Preview with #000019

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

Preview Lab → · Contrast checker → · Palette generator →