#040834#040834

#040834 is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 17.2% C 0.085 H 268.7°. Best body text is #FFFFFF at 19.28:1 contrast (WCAG AA passes).

Color values

HEX	#040834
RGB	rgb(4, 8, 52)
HSL	hsl(235, 86%, 11%)
HSV	hsv(235, 92%, 20%)
CMYK	cmyk(92.3%, 84.6%, 0%, 79.6%)
CIE-LAB	lab(4.04, 13.57, -27.77)
CIE-LCH	lch(4.04, 30.91, 296.05°)
OKLab	oklab(17.19% -0.0019 -0.0851)
OKLCH	oklch(17.19% 0.085 268.7)
XYZ	xyz(0.7565, 0.4473, 3.2946)
Luminance	0.0045 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040834 #343004

analogous

#042034 #040834 #180434

triadic

#040834 #340408 #083404

tetradic

#040834 #340420 #343004 #043418

square

#040834 #340420 #343004 #043418

split-complementary

#040834 #341804 #203404

monochromatic

#02041C #02041C #040834 #08116D #0D19A6

Accessibility & contrast

On white

19.28

#040834 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.09

#040834 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040834

19.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040834	#FFFFFF	#000000	##FFFFFF
##040834	1.00	19.28	1.09	19.28
#FFFFFF	19.28	1.00	21.00	1.00
#000000	1.09	21.00	1.00	21.00
##FFFFFF	19.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001135

Deuteranopia (green-blind)

#000C33

Tritanopia (blue-blind)

#00141D

Achromatopsia (no color)

#0E0E0E

Design tokens & code

CSS

--color: #040834;
/* rgb */ color: rgb(4, 8, 52);
/* oklch */ color: oklch(17.2% 0.085 268.7);

Tailwind

colors: {
  custom: {
    50: '#4c4a6c',
    500: '#040834',
    950: '#000000',
  },
}

SCSS

$custom: #040834;
$custom-light: #4c4a6c;
$custom-dark: #000000;

JSON

{
  "hex": "#040834",
  "rgb": {
    "r": 4,
    "g": 8,
    "b": 52
  },
  "hsl": {
    "h": 235,
    "s": 85.714,
    "l": 10.98
  },
  "oklch": {
    "l": 0.17193,
    "c": 0.08511,
    "h": 268.7
  },
  "luminance": 0.00447
}

Semantic roles & 50–950 ramp

primary

#040834

secondary

#766F1E

accent

#EB2CFC

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010107

muted

#77777A

Preview Lab

Preview with #040834

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

Preview Lab → · Contrast checker → · Palette generator →