#040734#040734

#040734 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 17.0% C 0.087 H 269.1°. Best body text is #FFFFFF at 19.35:1 contrast (WCAG AA passes).

Color values

HEX	#040734
RGB	rgb(4, 7, 52)
HSL	hsl(236, 86%, 11%)
HSV	hsv(236, 92%, 20%)
CMYK	cmyk(92.3%, 86.5%, 0%, 79.6%)
CIE-LAB	lab(3.84, 13.98, -28.09)
CIE-LCH	lch(3.84, 31.37, 296.46°)
OKLab	oklab(16.97% -0.0013 -0.0866)
OKLCH	oklch(16.97% 0.087 269.1)
XYZ	xyz(0.7457, 0.4256, 3.2910)
Luminance	0.0043 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040734 #343104

analogous

#041F34 #040734 #190434

triadic

#040734 #340407 #073404

tetradic

#040734 #34041F #343104 #043419

square

#040734 #34041F #343104 #043419

split-complementary

#040734 #341904 #1F3404

monochromatic

#02041C #02041C #040734 #080F6D #0D16A6

Accessibility & contrast

On white

19.35

#040734 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#040734 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040734

19.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040734	#FFFFFF	#000000	##FFFFFF
##040734	1.00	19.35	1.09	19.35
#FFFFFF	19.35	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001035

Deuteranopia (green-blind)

#000B33

Tritanopia (blue-blind)

#00141C

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #040734;
/* rgb */ color: rgb(4, 7, 52);
/* oklch */ color: oklch(17.0% 0.087 269.1);

Tailwind

colors: {
  custom: {
    50: '#4c496c',
    500: '#040734',
    950: '#000000',
  },
}

SCSS

$custom: #040734;
$custom-light: #4c496c;
$custom-dark: #000000;

JSON

{
  "hex": "#040734",
  "rgb": {
    "r": 4,
    "g": 7,
    "b": 52
  },
  "hsl": {
    "h": 236.25,
    "s": 85.714,
    "l": 10.98
  },
  "oklch": {
    "l": 0.16968,
    "c": 0.08661,
    "h": 269.1
  },
  "luminance": 0.00426
}

Semantic roles & 50–950 ramp

primary

#040734

secondary

#76711E

accent

#EF2CFC

background

#F4F4F6

surface

#E7E6EB

border

#C3C2C6

text

#010007

muted

#77777A

Preview Lab

Preview with #040734

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

Preview Lab → · Contrast checker → · Palette generator →