#04050C#04050C

#04050C is a very dark, near-neutral blue. Relative luminance 0.002; OKLCH L 11.8% C 0.019 H 274.6°. Best body text is #FFFFFF at 20.34:1 contrast (WCAG AA passes).

Color values

HEX	#04050C
RGB	rgb(4, 5, 12)
HSL	hsl(233, 50%, 3%)
HSV	hsv(233, 67%, 5%)
CMYK	cmyk(66.7%, 58.3%, 0%, 95.3%)
CIE-LAB	lab(1.45, 0.73, -2.78)
CIE-LCH	lch(1.45, 2.88, 284.65°)
OKLab	oklab(11.8% 0.0015 -0.0185)
OKLCH	oklch(11.8% 0.019 274.6)
XYZ	xyz(0.1707, 0.1609, 0.3698)
Luminance	0.0016 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04050C #0C0B04

analogous

#04090C #04050C #07040C

triadic

#04050C #0C0405 #050C04

tetradic

#04050C #0C0409 #0C0B04 #040C07

square

#04050C #0C0409 #0C0B04 #040C07

split-complementary

#04050C #0C0704 #090C04

monochromatic

#080A17 #080A17 #080A17 #13183A #232B68

Accessibility & contrast

On white

20.34

#04050C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.03

#04050C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04050C

20.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04050C	#FFFFFF	#000000	##FFFFFF
##04050C	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)

#03060C

Deuteranopia (green-blind)

#03050C

Tritanopia (blue-blind)

#020607

Achromatopsia (no color)

#050505

Design tokens & code

CSS

--color: #04050c;
/* rgb */ color: rgb(4, 5, 12);
/* oklch */ color: oklch(11.8% 0.019 274.6);

Tailwind

colors: {
  custom: {
    50: '#48494c',
    500: '#04050c',
    950: '#000000',
  },
}

SCSS

$custom: #04050c;
$custom-light: #48494c;
$custom-dark: #000000;

JSON

{
  "hex": "#04050c",
  "rgb": {
    "r": 4,
    "g": 5,
    "b": 12
  },
  "hsl": {
    "h": 232.5,
    "s": 50,
    "l": 3.137
  },
  "oklch": {
    "l": 0.11797,
    "c": 0.01861,
    "h": 274.6
  },
  "luminance": 0.00161
}

Semantic roles & 50–950 ramp

primary

#04050C

secondary

#494423

accent

#C84EDA

background

#F4F4F4

surface

#E6E6E7

border

#C2C2C3

text

#000001

muted

#777777

Preview Lab

Preview with #04050C

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

Preview Lab → · Contrast checker → · Palette generator →