#04092D#04092D

#04092D is a very dark, moderate blue. Relative luminance 0.004; OKLCH L 16.5% C 0.072 H 268.6°. Best body text is #FFFFFF at 19.40:1 contrast (WCAG AA passes).

Color values

HEX	#04092D
RGB	rgb(4, 9, 45)
HSL	hsl(233, 84%, 10%)
HSV	hsv(233, 91%, 18%)
CMYK	cmyk(91.1%, 80%, 0%, 82.4%)
CIE-LAB	lab(3.71, 9.46, -23.08)
CIE-LCH	lch(3.71, 24.94, 292.29°)
OKLab	oklab(16.54% -0.0017 -0.0724)
OKLCH	oklch(16.54% 0.072 268.6)
XYZ	xyz(0.6212, 0.4106, 2.5286)
Luminance	0.0041 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 4.23

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04092D #2D2804

analogous

#041E2D #04092D #14042D

triadic

#04092D #2D0409 #092D04

tetradic

#04092D #2D041E #2D2804 #042D14

square

#04092D #2D041E #2D2804 #042D14

split-complementary

#04092D #2D1404 #1E2D04

monochromatic

#02061C #02061C #04092D #091465 #0E1F9D

Accessibility & contrast

On white

19.40

#04092D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#04092D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04092D

19.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04092D	#FFFFFF	#000000	##FFFFFF
##04092D	1.00	19.40	1.08	19.40
#FFFFFF	19.40	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000F2E

Deuteranopia (green-blind)

#000B2C

Tritanopia (blue-blind)

#001319

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #04092d;
/* rgb */ color: rgb(4, 9, 45);
/* oklch */ color: oklch(16.5% 0.072 268.6);

Tailwind

colors: {
  custom: {
    50: '#4a4a66',
    500: '#04092d',
    950: '#000000',
  },
}

SCSS

$custom: #04092d;
$custom-light: #4a4a66;
$custom-dark: #000000;

JSON

{
  "hex": "#04092d",
  "rgb": {
    "r": 4,
    "g": 9,
    "b": 45
  },
  "hsl": {
    "h": 232.683,
    "s": 83.673,
    "l": 9.608
  },
  "oklch": {
    "l": 0.16544,
    "c": 0.07247,
    "h": 268.6
  },
  "luminance": 0.00411
}

Semantic roles & 50–950 ramp

primary

#04092D

secondary

#70661D

accent

#E12EFA

background

#F4F4F6

surface

#E7E7EB

border

#C3C3C6

text

#010106

muted

#77777A

Preview Lab

Preview with #04092D

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

Preview Lab → · Contrast checker → · Palette generator →