#040736#040736

#040736 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 17.2% C 0.090 H 268.9°. Best body text is #FFFFFF at 19.29:1 contrast (WCAG AA passes).

Color values

HEX	#040736
RGB	rgb(4, 7, 54)
HSL	hsl(236, 86%, 11%)
HSV	hsv(236, 93%, 21%)
CMYK	cmyk(92.6%, 87%, 0%, 78.8%)
CIE-LAB	lab(4.01, 15.14, -29.29)
CIE-LCH	lch(4.01, 32.97, 297.34°)
OKLab	oklab(17.24% -0.0017 -0.0896)
OKLCH	oklch(17.24% 0.09 268.9)
XYZ	xyz(0.7917, 0.4440, 3.5333)
Luminance	0.0044 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040736 #363304

analogous

#042036 #040736 #1A0436

triadic

#040736 #360407 #073604

tetradic

#040736 #360420 #363304 #04361A

square

#040736 #360420 #363304 #04361A

split-complementary

#040736 #361A04 #203604

monochromatic

#02041C #02041C #040736 #080E6F #0C16A8

Accessibility & contrast

On white

19.29

#040736 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#040736 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040736

19.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040736	#FFFFFF	#000000	##FFFFFF
##040736	1.00	19.29	1.09	19.29
#FFFFFF	19.29	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.29	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001137

Deuteranopia (green-blind)

#000C35

Tritanopia (blue-blind)

#00151E

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #040736;
/* rgb */ color: rgb(4, 7, 54);
/* oklch */ color: oklch(17.2% 0.090 268.9);

Tailwind

colors: {
  custom: {
    50: '#4d496d',
    500: '#040736',
    950: '#000000',
  },
}

SCSS

$custom: #040736;
$custom-light: #4d496d;
$custom-dark: #000000;

JSON

{
  "hex": "#040736",
  "rgb": {
    "r": 4,
    "g": 7,
    "b": 54
  },
  "hsl": {
    "h": 236.4,
    "s": 86.207,
    "l": 11.373
  },
  "oklch": {
    "l": 0.17237,
    "c": 0.08961,
    "h": 268.9
  },
  "luminance": 0.00444
}

Semantic roles & 50–950 ramp

primary

#040736

secondary

#78731E

accent

#F02BFC

background

#F4F4F6

surface

#E7E6EC

border

#C3C2C7

text

#020007

muted

#78777A

Preview Lab

Preview with #040736

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

Preview Lab → · Contrast checker → · Palette generator →