#04030C#04030C

#04030C is a very dark, muted blue. Relative luminance 0.001; OKLCH L 10.8% C 0.026 H 288.6°. Best body text is #FFFFFF at 20.52:1 contrast (WCAG AA passes).

Color values

HEX	#04030C
RGB	rgb(4, 3, 12)
HSL	hsl(247, 60%, 3%)
HSV	hsv(247, 75%, 5%)
CMYK	cmyk(66.7%, 75%, 0%, 95.3%)
CIE-LAB	lab(1.06, 1.53, -3.36)
CIE-LCH	lch(1.06, 3.69, 294.49°)
OKLab	oklab(10.76% 0.0084 -0.0248)
OKLCH	oklch(10.76% 0.026 288.6)
XYZ	xyz(0.1490, 0.1175, 0.3626)
Luminance	0.0012 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04030C #0B0C03

analogous

#03060C #04030C #08030C

triadic

#04030C #0C0403 #030C04

tetradic

#04030C #0C0306 #0B0C03 #030C08

square

#04030C #0C0306 #0B0C03 #030C08

split-complementary

#04030C #0C0803 #060C03

monochromatic

#080618 #080618 #080618 #140F3D #251B6E

Accessibility & contrast

On white

20.52

#04030C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.02

#04030C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04030C

20.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04030C	#FFFFFF	#000000	##FFFFFF
##04030C	1.00	20.52	1.02	20.52
#FFFFFF	20.52	1.00	21.00	1.00
#000000	1.02	21.00	1.00	21.00
##FFFFFF	20.52	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#01040C

Deuteranopia (green-blind)

#01040C

Tritanopia (blue-blind)

#030406

Achromatopsia (no color)

#040404

Design tokens & code

CSS

--color: #04030c;
/* rgb */ color: rgb(4, 3, 12);
/* oklch */ color: oklch(10.8% 0.026 288.6);

Tailwind

colors: {
  custom: {
    50: '#48484c',
    500: '#04030c',
    950: '#000000',
  },
}

SCSS

$custom: #04030c;
$custom-light: #48484c;
$custom-dark: #000000;

JSON

{
  "hex": "#04030c",
  "rgb": {
    "r": 4,
    "g": 3,
    "b": 12
  },
  "hsl": {
    "h": 246.667,
    "s": 60,
    "l": 2.941
  },
  "oklch": {
    "l": 0.10765,
    "c": 0.02615,
    "h": 288.6
  },
  "luminance": 0.00117
}

Semantic roles & 50–950 ramp

primary

#04030C

secondary

#474C1F

accent

#E345D2

background

#F4F4F4

surface

#E6E6E7

border

#C2C2C3

text

#000001

muted

#777777

Preview Lab

Preview with #04030C

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

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