#03040C#03040C

#03040C is a very dark, muted blue. Relative luminance 0.001; OKLCH L 11.1% C 0.023 H 273.9°. Best body text is #FFFFFF at 20.46:1 contrast (WCAG AA passes).

Color values

HEX	#03040C
RGB	rgb(3, 4, 12)
HSL	hsl(233, 60%, 3%)
HSV	hsv(233, 75%, 5%)
CMYK	cmyk(75%, 66.7%, 0%, 95.3%)
CIE-LAB	lab(1.20, 0.87, -3.16)
CIE-LCH	lch(1.20, 3.28, 285.34°)
OKLab	oklab(11.1% 0.0015 -0.0225)
OKLCH	oklch(11.1% 0.023 273.9)
XYZ	xyz(0.1473, 0.1327, 0.3656)
Luminance	0.0013 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03040C #0C0B03

analogous

#03080C #03040C #06030C

triadic

#03040C #0C0304 #040C03

tetradic

#03040C #0C0308 #0C0B03 #030C06

square

#03040C #0C0308 #0C0B03 #030C06

split-complementary

#03040C #0C0603 #080C03

monochromatic

#060818 #060818 #060818 #0F143D #1B256E

Accessibility & contrast

On white

20.46

#03040C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.03

#03040C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03040C

20.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03040C	#FFFFFF	#000000	##FFFFFF
##03040C	1.00	20.46	1.03	20.46
#FFFFFF	20.46	1.00	21.00	1.00
#000000	1.03	21.00	1.00	21.00
##FFFFFF	20.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02050C

Deuteranopia (green-blind)

#02040C

Tritanopia (blue-blind)

#010506

Achromatopsia (no color)

#040404

Design tokens & code

CSS

--color: #03040c;
/* rgb */ color: rgb(3, 4, 12);
/* oklch */ color: oklch(11.1% 0.023 273.9);

Tailwind

colors: {
  custom: {
    50: '#48484c',
    500: '#03040c',
    950: '#000000',
  },
}

SCSS

$custom: #03040c;
$custom-light: #48484c;
$custom-dark: #000000;

JSON

{
  "hex": "#03040c",
  "rgb": {
    "r": 3,
    "g": 4,
    "b": 12
  },
  "hsl": {
    "h": 233.333,
    "s": 60,
    "l": 2.941
  },
  "oklch": {
    "l": 0.11097,
    "c": 0.02256,
    "h": 273.9
  },
  "luminance": 0.00133
}

Semantic roles & 50–950 ramp

primary

#03040C

secondary

#4C471F

accent

#D245E3

background

#F4F4F4

surface

#E6E6E7

border

#C2C2C3

text

#000001

muted

#777777

Preview Lab

Preview with #03040C

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

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