#04022C#04022C

#04022C is a very dark, moderate blue. Relative luminance 0.003; OKLCH L 14.5% C 0.084 H 272.6°. Best body text is #FFFFFF at 20.00:1 contrast (WCAG AA passes).

Color values

HEX	#04022C
RGB	rgb(4, 2, 44)
HSL	hsl(243, 91%, 9%)
HSV	hsv(243, 95%, 17%)
CMYK	cmyk(90.9%, 95.5%, 0%, 82.7%)
CIE-LAB	lab(2.27, 11.78, -24.61)
CIE-LCH	lch(2.27, 27.28, 295.59°)
OKLab	oklab(14.51% 0.0038 -0.0836)
OKLCH	oklch(14.51% 0.084 272.6)
XYZ	xyz(0.5262, 0.2510, 2.4031)
Luminance	0.0025 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04022C #2A2C02

analogous

#02152C #04022C #19022C

triadic

#04022C #2C0402 #022C04

tetradic

#04022C #2C0215 #2A2C02 #022C19

square

#04022C #2C0215 #2A2C02 #022C19

split-complementary

#04022C #2C1902 #152C02

monochromatic

#03011D #03011D #04022C #090567 #0F07A1

Accessibility & contrast

On white

20.00

#04022C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.05

#04022C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04022C

20.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04022C	#FFFFFF	#000000	##FFFFFF
##04022C	1.00	20.00	1.05	20.00
#FFFFFF	20.00	1.00	21.00	1.00
#000000	1.05	21.00	1.00	21.00
##FFFFFF	20.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000A2D

Deuteranopia (green-blind)

#00062B

Tritanopia (blue-blind)

#000D16

Achromatopsia (no color)

#080808

Design tokens & code

CSS

--color: #04022c;
/* rgb */ color: rgb(4, 2, 44);
/* oklch */ color: oklch(14.5% 0.084 272.6);

Tailwind

colors: {
  custom: {
    50: '#494765',
    500: '#04022c',
    950: '#000000',
  },
}

SCSS

$custom: #04022c;
$custom-light: #494765;
$custom-dark: #000000;

JSON

{
  "hex": "#04022c",
  "rgb": {
    "r": 4,
    "g": 2,
    "b": 44
  },
  "hsl": {
    "h": 242.857,
    "s": 91.304,
    "l": 9.02
  },
  "oklch": {
    "l": 0.14506,
    "c": 0.08372,
    "h": 272.6
  },
  "luminance": 0.00251
}

Semantic roles & 50–950 ramp

primary

#04022C

secondary

#6D7119

accent

#FF29F5

background

#F4F3F6

surface

#E7E5EB

border

#C3C1C6

text

#010005

muted

#77777A

Preview Lab

Preview with #04022C

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

Preview Lab → · Contrast checker → · Palette generator →