#040224#040224

#040224 is a very dark, moderate blue. Relative luminance 0.002; OKLCH L 13.3% C 0.072 H 275.2°. Best body text is #FFFFFF at 20.20:1 contrast (WCAG AA passes).

Color values

HEX	#040224
RGB	rgb(4, 2, 36)
HSL	hsl(244, 89%, 7%)
HSV	hsv(244, 94%, 14%)
CMYK	cmyk(88.9%, 94.4%, 0%, 85.9%)
CIE-LAB	lab(1.78, 8.33, -19.20)
CIE-LCH	lch(1.78, 20.93, 293.44°)
OKLab	oklab(13.3% 0.0066 -0.0717)
OKLCH	oklch(13.3% 0.072 275.2)
XYZ	xyz(0.3901, 0.1966, 1.6861)
Luminance	0.0020 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040224 #222402

analogous

#021124 #040224 #150224

triadic

#040224 #240402 #022404

tetradic

#040224 #240211 #222402 #022415

square

#040224 #240211 #222402 #022415

split-complementary

#040224 #241502 #112402

monochromatic

#03021D #03021D #040224 #0A055E #110898

Accessibility & contrast

On white

20.20

#040224 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.04

#040224 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040224

20.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040224	#FFFFFF	#000000	##FFFFFF
##040224	1.00	20.20	1.04	20.20
#FFFFFF	20.20	1.00	21.00	1.00
#000000	1.04	21.00	1.00	21.00
##FFFFFF	20.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000825

Deuteranopia (green-blind)

#000523

Tritanopia (blue-blind)

#000A11

Achromatopsia (no color)

#060606

Design tokens & code

CSS

--color: #040224;
/* rgb */ color: rgb(4, 2, 36);
/* oklch */ color: oklch(13.3% 0.072 275.2);

Tailwind

colors: {
  custom: {
    50: '#48475e',
    500: '#040224',
    950: '#000000',
  },
}

SCSS

$custom: #040224;
$custom-light: #48475e;
$custom-dark: #000000;

JSON

{
  "hex": "#040224",
  "rgb": {
    "r": 4,
    "g": 2,
    "b": 36
  },
  "hsl": {
    "h": 243.529,
    "s": 89.474,
    "l": 7.451
  },
  "oklch": {
    "l": 0.133,
    "c": 0.072,
    "h": 275.2
  },
  "luminance": 0.00197
}

Semantic roles & 50–950 ramp

primary

#040224

secondary

#656A18

accent

#FF29F2

background

#F4F4F5

surface

#E6E6E9

border

#C2C2C5

text

#000004

muted

#777779

Preview Lab

Preview with #040224

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

Preview Lab → · Contrast checker → · Palette generator →