#04021A#04021A

#04021A is a very dark, muted blue. Relative luminance 0.001; OKLCH L 11.9% C 0.056 H 280.2°. Best body text is #FFFFFF at 20.41:1 contrast (WCAG AA passes).

Color values

HEX	#04021A
RGB	rgb(4, 2, 26)
HSL	hsl(245, 86%, 5%)
HSV	hsv(245, 92%, 10%)
CMYK	cmyk(84.6%, 92.3%, 0%, 89.8%)
CIE-LAB	lab(1.30, 4.98, -11.93)
CIE-LCH	lch(1.30, 12.93, 292.64°)
OKLab	oklab(11.87% 0.01 -0.0554)
OKLCH	oklch(11.87% 0.056 280.2)
XYZ	xyz(0.2582, 0.1438, 0.9912)
Luminance	0.0014 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04021A #181A02

analogous

#020C1A #04021A #10021A

triadic

#04021A #1A0402 #021A04

tetradic

#04021A #1A020C #181A02 #021A10

square

#04021A #1A020C #181A02 #021A10

split-complementary

#04021A #1A1002 #0C1A02

monochromatic

#04021C #04021C #04021C #0D0653 #150B8C

Accessibility & contrast

On white

20.41

#04021A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.03

#04021A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04021A

20.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04021A	#FFFFFF	#000000	##FFFFFF
##04021A	1.00	20.41	1.03	20.41
#FFFFFF	20.41	1.00	21.00	1.00
#000000	1.03	21.00	1.00	21.00
##FFFFFF	20.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00051B

Deuteranopia (green-blind)

#000419

Tritanopia (blue-blind)

#00070C

Achromatopsia (no color)

#050505

Design tokens & code

CSS

--color: #04021a;
/* rgb */ color: rgb(4, 2, 26);
/* oklch */ color: oklch(11.9% 0.056 280.2);

Tailwind

colors: {
  custom: {
    50: '#484856',
    500: '#04021a',
    950: '#000000',
  },
}

SCSS

$custom: #04021a;
$custom-light: #484856;
$custom-dark: #000000;

JSON

{
  "hex": "#04021a",
  "rgb": {
    "r": 4,
    "g": 2,
    "b": 26
  },
  "hsl": {
    "h": 245,
    "s": 85.714,
    "l": 5.49
  },
  "oklch": {
    "l": 0.11871,
    "c": 0.05627,
    "h": 280.2
  },
  "luminance": 0.00144
}

Semantic roles & 50–950 ramp

primary

#04021A

secondary

#5A6018

accent

#FC2CEB

background

#F4F4F5

surface

#E6E6E9

border

#C2C2C5

text

#000003

muted

#777778

Preview Lab

Preview with #04021A

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

Preview Lab → · Contrast checker → · Palette generator →