#00041A#00041A

#00041A is a very dark, muted blue. Relative luminance 0.002; OKLCH L 12.0% C 0.054 H 261.5°. Best body text is #FFFFFF at 20.34:1 contrast (WCAG AA passes).

Color values

HEX	#00041A
RGB	rgb(0, 4, 26)
HSL	hsl(231, 100%, 5%)
HSV	hsv(231, 100%, 10%)
CMYK	cmyk(100%, 84.6%, 0%, 89.8%)
CIE-LAB	lab(1.46, 3.13, -11.73)
CIE-LCH	lch(1.46, 12.14, 284.94°)
OKLab	oklab(12.04% -0.0079 -0.0533)
OKLCH	oklch(12.04% 0.054 261.5)
XYZ	xyz(0.2298, 0.1614, 0.9961)
Luminance	0.0016 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#00041A #1A1600

analogous

#00111A #00041A #09001A

triadic

#00041A #1A0004 #041A00

tetradic

#00041A #1A0011 #1A1600 #001A09

square

#00041A #1A0011 #1A1600 #001A09

split-complementary

#00041A #1A0900 #111A00

monochromatic

#00051F #00051F #00051F #000D57 #001794

Accessibility & contrast

On white

20.34

#00041A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.03

#00041A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #00041A

20.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##00041A	#FFFFFF	#000000	##FFFFFF
##00041A	1.00	20.34	1.03	20.34
#FFFFFF	20.34	1.00	21.00	1.00
#000000	1.03	21.00	1.00	21.00
##FFFFFF	20.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00071B

Deuteranopia (green-blind)

#00041A

Tritanopia (blue-blind)

#00090D

Achromatopsia (no color)

#050505

Design tokens & code

CSS

--color: #00041a;
/* rgb */ color: rgb(0, 4, 26);
/* oklch */ color: oklch(12.0% 0.054 261.5);

Tailwind

colors: {
  custom: {
    50: '#464856',
    500: '#00041a',
    950: '#000000',
  },
}

SCSS

$custom: #00041a;
$custom-light: #464856;
$custom-dark: #000000;

JSON

{
  "hex": "#00041a",
  "rgb": {
    "r": 0,
    "g": 4,
    "b": 26
  },
  "hsl": {
    "h": 230.769,
    "s": 100,
    "l": 5.098
  },
  "oklch": {
    "l": 0.12039,
    "c": 0.05387,
    "h": 261.5
  },
  "luminance": 0.00161
}

Semantic roles & 50–950 ramp

primary

#00041A

secondary

#645712

accent

#DE29FF

background

#F3F4F5

surface

#E5E6E9

border

#C1C2C5

text

#000003

muted

#767778

Preview Lab

Preview with #00041A

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

Preview Lab → · Contrast checker → · Palette generator →