#040324#040324

#040324 is a very dark, moderate blue. Relative luminance 0.002; OKLCH L 13.7% C 0.069 H 274.4°. Best body text is #FFFFFF at 20.12:1 contrast (WCAG AA passes).

Color values

HEX	#040324
RGB	rgb(4, 3, 36)
HSL	hsl(242, 85%, 8%)
HSV	hsv(242, 92%, 14%)
CMYK	cmyk(88.9%, 91.7%, 0%, 85.9%)
CIE-LAB	lab(1.97, 7.93, -18.90)
CIE-LCH	lch(1.97, 20.50, 292.75°)
OKLab	oklab(13.66% 0.0053 -0.0693)
OKLCH	oklch(13.66% 0.069 274.4)
XYZ	xyz(0.4010, 0.2183, 1.6897)
Luminance	0.0022 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.22

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040324 #232403

analogous

#031224 #040324 #140324

triadic

#040324 #240403 #032404

tetradic

#040324 #240312 #232403 #032414

square

#040324 #240312 #232403 #032414

split-complementary

#040324 #241403 #122403

monochromatic

#03021C #03021C #040324 #0A085C #110C95

Accessibility & contrast

On white

20.12

#040324 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.04

#040324 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040324

20.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040324	#FFFFFF	#000000	##FFFFFF
##040324	1.00	20.12	1.04	20.12
#FFFFFF	20.12	1.00	21.00	1.00
#000000	1.04	21.00	1.00	21.00
##FFFFFF	20.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000925

Deuteranopia (green-blind)

#000623

Tritanopia (blue-blind)

#000B12

Achromatopsia (no color)

#070707

Design tokens & code

CSS

--color: #040324;
/* rgb */ color: rgb(4, 3, 36);
/* oklch */ color: oklch(13.7% 0.069 274.4);

Tailwind

colors: {
  custom: {
    50: '#48485e',
    500: '#040324',
    950: '#000000',
  },
}

SCSS

$custom: #040324;
$custom-light: #48485e;
$custom-dark: #000000;

JSON

{
  "hex": "#040324",
  "rgb": {
    "r": 4,
    "g": 3,
    "b": 36
  },
  "hsl": {
    "h": 241.818,
    "s": 84.615,
    "l": 7.647
  },
  "oklch": {
    "l": 0.13661,
    "c": 0.06945,
    "h": 274.4
  },
  "luminance": 0.00218
}

Semantic roles & 50–950 ramp

primary

#040324

secondary

#66681B

accent

#FB2DF5

background

#F4F4F5

surface

#E6E6E9

border

#C2C2C5

text

#000004

muted

#777779

Preview Lab

Preview with #040324

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

Preview Lab → · Contrast checker → · Palette generator →