#040609#040609

#040609 is a very dark, near-neutral blue. Relative luminance 0.002; OKLCH L 12.1% C 0.010 H 252.9°. Best body text is #FFFFFF at 20.29:1 contrast (WCAG AA passes).

Color values

HEX	#040609
RGB	rgb(4, 6, 9)
HSL	hsl(216, 38%, 3%)
HSV	hsv(216, 56%, 4%)
CMYK	cmyk(55.6%, 33.3%, 0%, 96.5%)
CIE-LAB	lab(1.59, -0.11, -1.32)
CIE-LCH	lch(1.59, 1.32, 265.40°)
OKLab	oklab(12.05% -0.0029 -0.0093)
OKLCH	oklch(12.05% 0.01 252.9)
XYZ	xyz(0.1645, 0.1758, 0.2837)
Luminance	0.0018 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040609 #090704

analogous

#040809 #040609 #040409

triadic

#040609 #090406 #060904

tetradic

#040609 #090408 #090704 #040904

square

#040609 #090408 #090704 #040904

split-complementary

#040609 #090404 #080904

monochromatic

#090E15 #090E15 #090E15 #172233 #2A3E5E

Accessibility & contrast

On white

20.29

#040609 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.04

#040609 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040609

20.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040609	#FFFFFF	#000000	##FFFFFF
##040609	1.00	20.29	1.04	20.29
#FFFFFF	20.29	1.00	21.00	1.00
#000000	1.04	21.00	1.00	21.00
##FFFFFF	20.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#050609

Deuteranopia (green-blind)

#050609

Tritanopia (blue-blind)

#030707

Achromatopsia (no color)

#060606

Design tokens & code

CSS

--color: #040609;
/* rgb */ color: rgb(4, 6, 9);
/* oklch */ color: oklch(12.1% 0.010 252.9);

Tailwind

colors: {
  custom: {
    50: '#48494b',
    500: '#040609',
    950: '#000000',
  },
}

SCSS

$custom: #040609;
$custom-light: #48494b;
$custom-dark: #000000;

JSON

{
  "hex": "#040609",
  "rgb": {
    "r": 4,
    "g": 6,
    "b": 9
  },
  "hsl": {
    "h": 216,
    "s": 38.462,
    "l": 2.549
  },
  "oklch": {
    "l": 0.12053,
    "c": 0.00972,
    "h": 252.9
  },
  "luminance": 0.00176
}

Semantic roles & 50–950 ramp

primary

#040609

secondary

#433726

accent

#A059CE

background

#F4F4F4

surface

#E6E6E7

border

#C2C2C3

text

#000001

muted

#777777

Preview Lab

Preview with #040609

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

Preview Lab → · Contrast checker → · Palette generator →