#040409#040409

#040409 is a very dark, near-neutral blue. Relative luminance 0.001; OKLCH L 11.1% C 0.015 H 283.6°. Best body text is #FFFFFF at 20.46:1 contrast (WCAG AA passes).

Color values

HEX	#040409
RGB	rgb(4, 4, 9)
HSL	hsl(240, 38%, 3%)
HSV	hsv(240, 56%, 4%)
CMYK	cmyk(55.6%, 55.6%, 0%, 96.5%)
CIE-LAB	lab(1.20, 0.69, -1.89)
CIE-LCH	lch(1.20, 2.02, 290.17°)
OKLab	oklab(11.07% 0.0036 -0.0148)
OKLCH	oklch(11.07% 0.015 283.6)
XYZ	xyz(0.1428, 0.1324, 0.2764)
Luminance	0.0013 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040409 #090904

analogous

#040609 #040409 #060409

triadic

#040409 #090404 #040904

tetradic

#040409 #090406 #090904 #040906

square

#040409 #090406 #090904 #040906

split-complementary

#040409 #090604 #060904

monochromatic

#090915 #090915 #090915 #171733 #2A2A5E

Accessibility & contrast

On white

20.46

#040409 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.03

#040409 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040409

20.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040409	#FFFFFF	#000000	##FFFFFF
##040409	1.00	20.46	1.03	20.46
#FFFFFF	20.46	1.00	21.00	1.00
#000000	1.03	21.00	1.00	21.00
##FFFFFF	20.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#030409

Deuteranopia (green-blind)

#030409

Tritanopia (blue-blind)

#030506

Achromatopsia (no color)

#040404

Design tokens & code

CSS

--color: #040409;
/* rgb */ color: rgb(4, 4, 9);
/* oklch */ color: oklch(11.1% 0.015 283.6);

Tailwind

colors: {
  custom: {
    50: '#48484b',
    500: '#040409',
    950: '#000000',
  },
}

SCSS

$custom: #040409;
$custom-light: #48484b;
$custom-dark: #000000;

JSON

{
  "hex": "#040409",
  "rgb": {
    "r": 4,
    "g": 4,
    "b": 9
  },
  "hsl": {
    "h": 240,
    "s": 38.462,
    "l": 2.549
  },
  "oklch": {
    "l": 0.11069,
    "c": 0.01522,
    "h": 283.6
  },
  "luminance": 0.00132
}

Semantic roles & 50–950 ramp

primary

#040409

secondary

#434326

accent

#CE59CE

background

#F4F4F4

surface

#E6E6E7

border

#C2C2C3

text

#000001

muted

#777777

Preview Lab

Preview with #040409

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

Preview Lab → · Contrast checker → · Palette generator →