#04040D#04040D

#04040D is a very dark, muted blue. Relative luminance 0.001; OKLCH L 11.4% C 0.024 H 281.9°. Best body text is #FFFFFF at 20.42:1 contrast (WCAG AA passes).

Color values

HEX	#04040D
RGB	rgb(4, 4, 13)
HSL	hsl(240, 53%, 3%)
HSV	hsv(240, 69%, 5%)
CMYK	cmyk(69.2%, 69.2%, 0%, 94.9%)
CIE-LAB	lab(1.28, 1.29, -3.50)
CIE-LCH	lch(1.28, 3.73, 290.17°)
OKLab	oklab(11.39% 0.005 -0.0236)
OKLCH	oklch(11.39% 0.024 281.9)
XYZ	xyz(0.1661, 0.1417, 0.3993)
Luminance	0.0014 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04040D #0D0D04

analogous

#04080D #04040D #08040D

triadic

#04040D #0D0404 #040D04

tetradic

#04040D #0D0408 #0D0D04 #040D08

square

#04040D #0D0408 #0D0D04 #040D08

split-complementary

#04040D #0D0804 #080D04

monochromatic

#070717 #070717 #070717 #12123C #21216B

Accessibility & contrast

On white

20.42

#04040D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.03

#04040D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04040D

20.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04040D	#FFFFFF	#000000	##FFFFFF
##04040D	1.00	20.42	1.03	20.42
#FFFFFF	20.42	1.00	21.00	1.00
#000000	1.03	21.00	1.00	21.00
##FFFFFF	20.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02050D

Deuteranopia (green-blind)

#02040D

Tritanopia (blue-blind)

#020507

Achromatopsia (no color)

#050505

Design tokens & code

CSS

--color: #04040d;
/* rgb */ color: rgb(4, 4, 13);
/* oklch */ color: oklch(11.4% 0.024 281.9);

Tailwind

colors: {
  custom: {
    50: '#48484d',
    500: '#04040d',
    950: '#000000',
  },
}

SCSS

$custom: #04040d;
$custom-light: #48484d;
$custom-dark: #000000;

JSON

{
  "hex": "#04040d",
  "rgb": {
    "r": 4,
    "g": 4,
    "b": 13
  },
  "hsl": {
    "h": 240,
    "s": 52.941,
    "l": 3.333
  },
  "oklch": {
    "l": 0.11389,
    "c": 0.02416,
    "h": 281.9
  },
  "luminance": 0.00142
}

Semantic roles & 50–950 ramp

primary

#04040D

secondary

#4B4B22

accent

#DC4BDC

background

#F4F4F4

surface

#E6E6E7

border

#C2C2C3

text

#000001

muted

#777777

Preview Lab

Preview with #04040D

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

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