#040709#040709

#040709 is a very dark, near-neutral cyan. Relative luminance 0.002; OKLCH L 12.5% C 0.009 H 231.5°. Best body text is #FFFFFF at 20.20:1 contrast (WCAG AA passes).

Color values

HEX	#040709
RGB	rgb(4, 7, 9)
HSL	hsl(204, 38%, 3%)
HSV	hsv(204, 56%, 4%)
CMYK	cmyk(55.6%, 22.2%, 0%, 96.5%)
CIE-LAB	lab(1.78, -0.51, -1.03)
CIE-LCH	lch(1.78, 1.15, 243.79°)
OKLab	oklab(12.49% -0.0055 -0.007)
OKLCH	oklch(12.49% 0.009 231.5)
XYZ	xyz(0.1753, 0.1975, 0.2873)
Luminance	0.0020 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040709 #090604

analogous

#040908 #040709 #040409

triadic

#040709 #090407 #070904

tetradic

#040709 #080409 #090604 #040904

square

#040709 #080409 #090604 #040904

split-complementary

#040709 #090404 #090804

monochromatic

#091015 #091015 #091015 #172833 #2A495E

Accessibility & contrast

On white

20.20

#040709 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.04

#040709 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040709

20.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040709	#FFFFFF	#000000	##FFFFFF
##040709	1.00	20.20	1.04	20.20
#FFFFFF	20.20	1.00	21.00	1.00
#000000	1.04	21.00	1.00	21.00
##FFFFFF	20.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#060709

Deuteranopia (green-blind)

#050609

Tritanopia (blue-blind)

#030808

Achromatopsia (no color)

#070707

Design tokens & code

CSS

--color: #040709;
/* rgb */ color: rgb(4, 7, 9);
/* oklch */ color: oklch(12.5% 0.009 231.5);

Tailwind

colors: {
  custom: {
    50: '#484a4b',
    500: '#040709',
    950: '#000000',
  },
}

SCSS

$custom: #040709;
$custom-light: #484a4b;
$custom-dark: #000000;

JSON

{
  "hex": "#040709",
  "rgb": {
    "r": 4,
    "g": 7,
    "b": 9
  },
  "hsl": {
    "h": 204,
    "s": 38.462,
    "l": 2.549
  },
  "oklch": {
    "l": 0.1249,
    "c": 0.00889,
    "h": 231.5
  },
  "luminance": 0.00197
}

Semantic roles & 50–950 ramp

primary

#040709

secondary

#433226

accent

#8859CE

background

#F4F4F4

surface

#E6E7E7

border

#C2C3C3

text

#000101

muted

#777777

Preview Lab

Preview with #040709

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

Preview Lab → · Contrast checker → · Palette generator →