#040434#040434

#040434 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.3% C 0.091 H 270.1°. Best body text is #FFFFFF at 19.59:1 contrast (WCAG AA passes).

Color values

HEX	#040434
RGB	rgb(4, 4, 52)
HSL	hsl(240, 86%, 11%)
HSV	hsv(240, 92%, 20%)
CMYK	cmyk(92.3%, 92.3%, 0%, 79.6%)
CIE-LAB	lab(3.26, 15.18, -29.03)
CIE-LCH	lch(3.26, 32.76, 297.60°)
OKLab	oklab(16.25% 0.0002 -0.0914)
OKLCH	oklch(16.25% 0.091 270.1)
XYZ	xyz(0.7131, 0.3605, 3.2801)
Luminance	0.0036 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040434 #343404

analogous

#041C34 #040434 #1C0434

triadic

#040434 #340404 #043404

tetradic

#040434 #34041C #343404 #04341C

square

#040434 #34041C #343404 #04341C

split-complementary

#040434 #341C04 #1C3404

monochromatic

#02021C #02021C #040434 #08086D #0D0DA6

Accessibility & contrast

On white

19.59

#040434 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#040434 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040434

19.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040434	#FFFFFF	#000000	##FFFFFF
##040434	1.00	19.59	1.07	19.59
#FFFFFF	19.59	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000E35

Deuteranopia (green-blind)

#000933

Tritanopia (blue-blind)

#00121B

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #040434;
/* rgb */ color: rgb(4, 4, 52);
/* oklch */ color: oklch(16.3% 0.091 270.1);

Tailwind

colors: {
  custom: {
    50: '#4c486c',
    500: '#040434',
    950: '#000000',
  },
}

SCSS

$custom: #040434;
$custom-light: #4c486c;
$custom-dark: #000000;

JSON

{
  "hex": "#040434",
  "rgb": {
    "r": 4,
    "g": 4,
    "b": 52
  },
  "hsl": {
    "h": 240,
    "s": 85.714,
    "l": 10.98
  },
  "oklch": {
    "l": 0.16254,
    "c": 0.09139,
    "h": 270.1
  },
  "luminance": 0.00361
}

Semantic roles & 50–950 ramp

primary

#040434

secondary

#76761E

accent

#FC2CFC

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#010007

muted

#77777A

Preview Lab

Preview with #040434

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

Preview Lab → · Contrast checker → · Palette generator →