#030304#030304

#030304 is a very dark, near-neutral blue. Relative luminance 0.001; OKLCH L 9.8% C 0.004 H 285.6°. Best body text is #FFFFFF at 20.62:1 contrast (WCAG AA passes).

Color values

HEX	#030304
RGB	rgb(3, 3, 4)
HSL	hsl(240, 14%, 1%)
HSV	hsv(240, 25%, 2%)
CMYK	cmyk(25%, 25%, 0%, 98.4%)
CIE-LAB	lab(0.84, 0.14, -0.38)
CIE-LCH	lch(0.84, 0.40, 290.25°)
OKLab	oklab(9.79% 0.0012 -0.0042)
OKLCH	oklch(9.79% 0.004 285.6)
XYZ	xyz(0.0920, 0.0932, 0.1280)
Luminance	0.0009 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030304 #040403

analogous

#030404 #030304 #040304

triadic

#030304 #040303 #030403

tetradic

#030304 #040304 #040403 #030404

square

#030304 #040304 #040403 #030404

split-complementary

#030304 #040403 #040403

monochromatic

#0D0D11 #0D0D11 #0D0D11 #1D1D27 #37374A

Accessibility & contrast

On white

20.62

#030304 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.02

#030304 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030304

20.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030304	#FFFFFF	#000000	##FFFFFF
##030304	1.00	20.62	1.02	20.62
#FFFFFF	20.62	1.00	21.00	1.00
#000000	1.02	21.00	1.00	21.00
##FFFFFF	20.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#030304

Deuteranopia (green-blind)

#030304

Tritanopia (blue-blind)

#030303

Achromatopsia (no color)

#030303

Design tokens & code

CSS

--color: #030304;
/* rgb */ color: rgb(3, 3, 4);
/* oklch */ color: oklch(9.8% 0.004 285.6);

Tailwind

colors: {
  custom: {
    50: '#484848',
    500: '#030304',
    950: '#000000',
  },
}

SCSS

$custom: #030304;
$custom-light: #484848;
$custom-dark: #000000;

JSON

{
  "hex": "#030304",
  "rgb": {
    "r": 3,
    "g": 3,
    "b": 4
  },
  "hsl": {
    "h": 240,
    "s": 14.286,
    "l": 1.373
  },
  "oklch": {
    "l": 0.09792,
    "c": 0.00439,
    "h": 285.6
  },
  "luminance": 0.00093
}

Semantic roles & 50–950 ramp

primary

#030304

secondary

#36362C

accent

#B771B7

background

#F4F4F4

surface

#E6E6E6

border

#C2C2C2

text

#000000

muted

#777777

Preview Lab

Preview with #030304

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

Preview Lab → · Contrast checker → · Palette generator →