#04060B#04060B

#04060B is a very dark, near-neutral blue. Relative luminance 0.002; OKLCH L 12.2% C 0.014 H 262.5°. Best body text is #FFFFFF at 20.27:1 contrast (WCAG AA passes).

Color values

HEX	#04060B
RGB	rgb(4, 6, 11)
HSL	hsl(223, 47%, 3%)
HSV	hsv(223, 64%, 4%)
CMYK	cmyk(63.6%, 45.5%, 0%, 95.7%)
CIE-LAB	lab(1.63, 0.18, -2.09)
CIE-LCH	lch(1.63, 2.09, 274.85°)
OKLab	oklab(12.18% -0.0018 -0.0137)
OKLCH	oklch(12.18% 0.014 262.5)
XYZ	xyz(0.1756, 0.1802, 0.3421)
Luminance	0.0018 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04060B #0B0904

analogous

#04090B #04060B #05040B

triadic

#04060B #0B0406 #060B04

tetradic

#04060B #0B0409 #0B0904 #040B05

square

#04060B #0B0409 #0B0904 #040B05

split-complementary

#04060B #0B0504 #090B04

monochromatic

#080C16 #080C16 #080C16 #141E38 #253765

Accessibility & contrast

On white

20.27

#04060B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.04

#04060B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04060B

20.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04060B	#FFFFFF	#000000	##FFFFFF
##04060B	1.00	20.27	1.04	20.27
#FFFFFF	20.27	1.00	21.00	1.00
#000000	1.04	21.00	1.00	21.00
##FFFFFF	20.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#05060B

Deuteranopia (green-blind)

#04060B

Tritanopia (blue-blind)

#030708

Achromatopsia (no color)

#060606

Design tokens & code

CSS

--color: #04060b;
/* rgb */ color: rgb(4, 6, 11);
/* oklch */ color: oklch(12.2% 0.014 262.5);

Tailwind

colors: {
  custom: {
    50: '#48494c',
    500: '#04060b',
    950: '#000000',
  },
}

SCSS

$custom: #04060b;
$custom-light: #48494c;
$custom-dark: #000000;

JSON

{
  "hex": "#04060b",
  "rgb": {
    "r": 4,
    "g": 6,
    "b": 11
  },
  "hsl": {
    "h": 222.857,
    "s": 46.667,
    "l": 2.941
  },
  "oklch": {
    "l": 0.12183,
    "c": 0.01386,
    "h": 262.5
  },
  "luminance": 0.0018
}

Semantic roles & 50–950 ramp

primary

#04060B

secondary

#473D24

accent

#B051D6

background

#F4F4F4

surface

#E6E6E7

border

#C2C2C3

text

#000001

muted

#777777

Preview Lab

Preview with #04060B

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

Preview Lab → · Contrast checker → · Palette generator →