#040809#040809

#040809 is a very dark, near-neutral cyan. Relative luminance 0.002; OKLCH L 12.9% C 0.009 H 211.4°. Best body text is #FFFFFF at 20.12:1 contrast (WCAG AA passes).

Color values

HEX	#040809
RGB	rgb(4, 8, 9)
HSL	hsl(192, 38%, 3%)
HSV	hsv(192, 56%, 4%)
CMYK	cmyk(55.6%, 11.1%, 0%, 96.5%)
CIE-LAB	lab(1.98, -0.91, -0.75)
CIE-LCH	lch(1.98, 1.18, 219.47°)
OKLab	oklab(12.9% -0.0079 -0.0048)
OKLCH	oklch(12.9% 0.009 211.4)
XYZ	xyz(0.1862, 0.2192, 0.2909)
Luminance	0.0022 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040809 #090504

analogous

#040907 #040809 #040509

triadic

#040809 #090408 #080904

tetradic

#040809 #070409 #090504 #050904

square

#040809 #070409 #090504 #050904

split-complementary

#040809 #090405 #090704

monochromatic

#091315 #091315 #091315 #172E33 #2A535E

Accessibility & contrast

On white

20.12

#040809 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.04

#040809 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040809

20.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040809	#FFFFFF	#000000	##FFFFFF
##040809	1.00	20.12	1.04	20.12
#FFFFFF	20.12	1.00	21.00	1.00
#000000	1.04	21.00	1.00	21.00
##FFFFFF	20.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#070809

Deuteranopia (green-blind)

#060709

Tritanopia (blue-blind)

#030808

Achromatopsia (no color)

#070707

Design tokens & code

CSS

--color: #040809;
/* rgb */ color: rgb(4, 8, 9);
/* oklch */ color: oklch(12.9% 0.009 211.4);

Tailwind

colors: {
  custom: {
    50: '#484a4b',
    500: '#040809',
    950: '#000000',
  },
}

SCSS

$custom: #040809;
$custom-light: #484a4b;
$custom-dark: #000000;

JSON

{
  "hex": "#040809",
  "rgb": {
    "r": 4,
    "g": 8,
    "b": 9
  },
  "hsl": {
    "h": 192,
    "s": 38.462,
    "l": 2.549
  },
  "oklch": {
    "l": 0.12898,
    "c": 0.0093,
    "h": 211.4
  },
  "luminance": 0.00219
}

Semantic roles & 50–950 ramp

primary

#040809

secondary

#432C26

accent

#7159CE

background

#F4F4F4

surface

#E6E7E7

border

#C2C3C3

text

#000101

muted

#777777

Preview Lab

Preview with #040809

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

Preview Lab → · Contrast checker → · Palette generator →