#040436#040436

#040436 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.5% C 0.094 H 269.8°. Best body text is #FFFFFF at 19.52:1 contrast (WCAG AA passes).

Color values

HEX	#040436
RGB	rgb(4, 4, 54)
HSL	hsl(240, 86%, 11%)
HSV	hsv(240, 93%, 21%)
CMYK	cmyk(92.6%, 92.6%, 0%, 78.8%)
CIE-LAB	lab(3.42, 16.34, -30.24)
CIE-LCH	lch(3.42, 34.37, 298.39°)
OKLab	oklab(16.55% -0.0003 -0.0942)
OKLCH	oklch(16.55% 0.094 269.8)
XYZ	xyz(0.7591, 0.3789, 3.5224)
Luminance	0.0038 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040436 #363604

analogous

#041D36 #040436 #1D0436

triadic

#040436 #360404 #043604

tetradic

#040436 #36041D #363604 #04361D

square

#040436 #36041D #363604 #04361D

split-complementary

#040436 #361D04 #1D3604

monochromatic

#02021C #02021C #040436 #08086F #0C0CA8

Accessibility & contrast

On white

19.52

#040436 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#040436 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040436

19.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040436	#FFFFFF	#000000	##FFFFFF
##040436	1.00	19.52	1.08	19.52
#FFFFFF	19.52	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F37

Deuteranopia (green-blind)

#000A35

Tritanopia (blue-blind)

#00131D

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #040436;
/* rgb */ color: rgb(4, 4, 54);
/* oklch */ color: oklch(16.5% 0.094 269.8);

Tailwind

colors: {
  custom: {
    50: '#4c486d',
    500: '#040436',
    950: '#000000',
  },
}

SCSS

$custom: #040436;
$custom-light: #4c486d;
$custom-dark: #000000;

JSON

{
  "hex": "#040436",
  "rgb": {
    "r": 4,
    "g": 4,
    "b": 54
  },
  "hsl": {
    "h": 240,
    "s": 86.207,
    "l": 11.373
  },
  "oklch": {
    "l": 0.16547,
    "c": 0.09424,
    "h": 269.8
  },
  "luminance": 0.00379
}

Semantic roles & 50–950 ramp

primary

#040436

secondary

#78781E

accent

#FC2BFC

background

#F4F4F6

surface

#E7E6EC

border

#C3C2C7

text

#020007

muted

#78777A

Preview Lab

Preview with #040436

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

Preview Lab → · Contrast checker → · Palette generator →