#040328#040328

#040328 is a very dark, moderate blue. Relative luminance 0.002; OKLCH L 14.2% C 0.076 H 273.2°. Best body text is #FFFFFF at 20.02:1 contrast (WCAG AA passes).

Color values

HEX	#040328
RGB	rgb(4, 3, 40)
HSL	hsl(242, 86%, 8%)
HSV	hsv(242, 93%, 16%)
CMYK	cmyk(90%, 92.5%, 0%, 84.3%)
CIE-LAB	lab(2.20, 9.56, -21.64)
CIE-LCH	lch(2.20, 23.66, 293.84°)
OKLab	oklab(14.23% 0.0042 -0.0755)
OKLCH	oklch(14.23% 0.076 273.2)
XYZ	xyz(0.4655, 0.2441, 2.0297)
Luminance	0.0024 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040328 #272803

analogous

#031428 #040328 #160328

triadic

#040328 #280403 #032804

tetradic

#040328 #280314 #272803 #032816

square

#040328 #280314 #272803 #032816

split-complementary

#040328 #281603 #142803

monochromatic

#03021C #03021C #040328 #0A0761 #0F0C9A

Accessibility & contrast

On white

20.02

#040328 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.05

#040328 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040328

20.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040328	#FFFFFF	#000000	##FFFFFF
##040328	1.00	20.02	1.05	20.02
#FFFFFF	20.02	1.00	21.00	1.00
#000000	1.05	21.00	1.00	21.00
##FFFFFF	20.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000A29

Deuteranopia (green-blind)

#000627

Tritanopia (blue-blind)

#000D14

Achromatopsia (no color)

#080808

Design tokens & code

CSS

--color: #040328;
/* rgb */ color: rgb(4, 3, 40);
/* oklch */ color: oklch(14.2% 0.076 273.2);

Tailwind

colors: {
  custom: {
    50: '#484862',
    500: '#040328',
    950: '#000000',
  },
}

SCSS

$custom: #040328;
$custom-light: #484862;
$custom-dark: #000000;

JSON

{
  "hex": "#040328",
  "rgb": {
    "r": 4,
    "g": 3,
    "b": 40
  },
  "hsl": {
    "h": 241.622,
    "s": 86.047,
    "l": 8.431
  },
  "oklch": {
    "l": 0.1423,
    "c": 0.07564,
    "h": 273.2
  },
  "luminance": 0.00244
}

Semantic roles & 50–950 ramp

primary

#040328

secondary

#6A6C1B

accent

#FC2CF7

background

#F4F4F5

surface

#E7E6EA

border

#C3C2C6

text

#010005

muted

#777779

Preview Lab

Preview with #040328

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

Preview Lab → · Contrast checker → · Palette generator →