#040320#040320

#040320 is a very dark, moderate blue. Relative luminance 0.002; OKLCH L 13.1% C 0.063 H 275.8°. Best body text is #FFFFFF at 20.21:1 contrast (WCAG AA passes).

Color values

HEX	#040320
RGB	rgb(4, 3, 32)
HSL	hsl(242, 83%, 7%)
HSV	hsv(242, 91%, 13%)
CMYK	cmyk(87.5%, 90.6%, 0%, 87.5%)
CIE-LAB	lab(1.76, 6.46, -16.07)
CIE-LCH	lch(1.76, 17.32, 291.91°)
OKLab	oklab(13.11% 0.0064 -0.0627)
OKLCH	oklch(13.11% 0.063 275.8)
XYZ	xyz(0.3433, 0.1952, 1.3858)
Luminance	0.0019 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 7.93

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040320 #1F2003

analogous

#031120 #040320 #130320

triadic

#040320 #200403 #032004

tetradic

#040320 #200311 #1F2003 #032013

square

#040320 #200311 #1F2003 #032013

split-complementary

#040320 #201303 #112003

monochromatic

#03031C #03031C #040320 #0B0858 #120D90

Accessibility & contrast

On white

20.21

#040320 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.04

#040320 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040320

20.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040320	#FFFFFF	#000000	##FFFFFF
##040320	1.00	20.21	1.04	20.21
#FFFFFF	20.21	1.00	21.00	1.00
#000000	1.04	21.00	1.00	21.00
##FFFFFF	20.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000821

Deuteranopia (green-blind)

#00051F

Tritanopia (blue-blind)

#000A10

Achromatopsia (no color)

#060606

Design tokens & code

CSS

--color: #040320;
/* rgb */ color: rgb(4, 3, 32);
/* oklch */ color: oklch(13.1% 0.063 275.8);

Tailwind

colors: {
  custom: {
    50: '#48485b',
    500: '#040320',
    950: '#000000',
  },
}

SCSS

$custom: #040320;
$custom-light: #48485b;
$custom-dark: #000000;

JSON

{
  "hex": "#040320",
  "rgb": {
    "r": 4,
    "g": 3,
    "b": 32
  },
  "hsl": {
    "h": 242.069,
    "s": 82.857,
    "l": 6.863
  },
  "oklch": {
    "l": 0.13108,
    "c": 0.06305,
    "h": 275.8
  },
  "luminance": 0.00195
}

Semantic roles & 50–950 ramp

primary

#040320

secondary

#62641B

accent

#F92FF2

background

#F4F4F5

surface

#E6E6E9

border

#C2C2C5

text

#000004

muted

#777779

Preview Lab

Preview with #040320

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

Preview Lab → · Contrast checker → · Palette generator →