#040327#040327

#040327 is a very dark, moderate blue. Relative luminance 0.002; OKLCH L 14.1% C 0.074 H 273.5°. Best body text is #FFFFFF at 20.05:1 contrast (WCAG AA passes).

Color values

HEX	#040327
RGB	rgb(4, 3, 39)
HSL	hsl(242, 86%, 8%)
HSV	hsv(242, 92%, 15%)
CMYK	cmyk(89.7%, 92.3%, 0%, 84.7%)
CIE-LAB	lab(2.14, 9.14, -20.96)
CIE-LCH	lch(2.14, 22.87, 293.55°)
OKLab	oklab(14.09% 0.0045 -0.074)
OKLCH	oklch(14.09% 0.074 273.5)
XYZ	xyz(0.4487, 0.2374, 1.9412)
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

#040327 #262703

analogous

#031427 #040327 #160327

triadic

#040327 #270403 #032704

tetradic

#040327 #270314 #262703 #032716

square

#040327 #270314 #262703 #032716

split-complementary

#040327 #271603 #142703

monochromatic

#03021C #03021C #040327 #0A0760 #100C99

Accessibility & contrast

On white

20.05

#040327 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.05

#040327 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040327

20.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040327	#FFFFFF	#000000	##FFFFFF
##040327	1.00	20.05	1.05	20.05
#FFFFFF	20.05	1.00	21.00	1.00
#000000	1.05	21.00	1.00	21.00
##FFFFFF	20.05	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000928

Deuteranopia (green-blind)

#000626

Tritanopia (blue-blind)

#000C14

Achromatopsia (no color)

#080808

Design tokens & code

CSS

--color: #040327;
/* rgb */ color: rgb(4, 3, 39);
/* oklch */ color: oklch(14.1% 0.074 273.5);

Tailwind

colors: {
  custom: {
    50: '#484861',
    500: '#040327',
    950: '#000000',
  },
}

SCSS

$custom: #040327;
$custom-light: #484861;
$custom-dark: #000000;

JSON

{
  "hex": "#040327",
  "rgb": {
    "r": 4,
    "g": 3,
    "b": 39
  },
  "hsl": {
    "h": 241.667,
    "s": 85.714,
    "l": 8.235
  },
  "oklch": {
    "l": 0.14087,
    "c": 0.07411,
    "h": 273.5
  },
  "luminance": 0.00237
}

Semantic roles & 50–950 ramp

primary

#040327

secondary

#696B1B

accent

#FC2CF6

background

#F4F4F5

surface

#E7E6E9

border

#C3C2C5

text

#010005

muted

#777779

Preview Lab

Preview with #040327

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

Preview Lab → · Contrast checker → · Palette generator →