#04091A#04091A

#04091A is a very dark, muted blue. Relative luminance 0.003; OKLCH L 14.5% C 0.038 H 265.9°. Best body text is #FFFFFF at 19.83:1 contrast (WCAG AA passes).

Color values

HEX	#04091A
RGB	rgb(4, 9, 26)
HSL	hsl(226, 73%, 6%)
HSV	hsv(226, 85%, 10%)
CMYK	cmyk(84.6%, 65.4%, 0%, 89.8%)
CIE-LAB	lab(2.67, 2.17, -9.92)
CIE-LCH	lch(2.67, 10.16, 282.35°)
OKLab	oklab(14.5% -0.0028 -0.0383)
OKLCH	oklch(14.5% 0.038 265.9)
XYZ	xyz(0.3341, 0.2957, 1.0166)
Luminance	0.0030 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04091A #1A1504

analogous

#04141A #04091A #0A041A

triadic

#04091A #1A0409 #091A04

tetradic

#04091A #1A0414 #1A1504 #041A0A

square

#04091A #1A0414 #1A1504 #041A0A

split-complementary

#04091A #1A0A04 #141A04

monochromatic

#04091B #04091B #04091B #0C1B4F #142E84

Accessibility & contrast

On white

19.83

#04091A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#04091A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04091A

19.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04091A	#FFFFFF	#000000	##FFFFFF
##04091A	1.00	19.83	1.06	19.83
#FFFFFF	19.83	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#030B1B

Deuteranopia (green-blind)

#01091A

Tritanopia (blue-blind)

#000D10

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #04091a;
/* rgb */ color: rgb(4, 9, 26);
/* oklch */ color: oklch(14.5% 0.038 265.9);

Tailwind

colors: {
  custom: {
    50: '#484b56',
    500: '#04091a',
    950: '#000000',
  },
}

SCSS

$custom: #04091a;
$custom-light: #484b56;
$custom-dark: #000000;

JSON

{
  "hex": "#04091a",
  "rgb": {
    "r": 4,
    "g": 9,
    "b": 26
  },
  "hsl": {
    "h": 226.364,
    "s": 73.333,
    "l": 5.882
  },
  "oklch": {
    "l": 0.14503,
    "c": 0.0384,
    "h": 265.9
  },
  "luminance": 0.00296
}

Semantic roles & 50–950 ramp

primary

#04091A

secondary

#5C4E1E

accent

#C638F0

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000103

muted

#777778

Preview Lab

Preview with #04091A

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

Preview Lab → · Contrast checker → · Palette generator →