#03040D#03040D

#03040D is a very dark, muted blue. Relative luminance 0.001; OKLCH L 11.2% C 0.025 H 274.2°. Best body text is #FFFFFF at 20.45:1 contrast (WCAG AA passes).

Color values

HEX	#03040D
RGB	rgb(3, 4, 13)
HSL	hsl(234, 63%, 3%)
HSV	hsv(234, 77%, 5%)
CMYK	cmyk(76.9%, 69.2%, 0%, 94.9%)
CIE-LAB	lab(1.22, 1.03, -3.60)
CIE-LCH	lch(1.22, 3.74, 285.95°)
OKLab	oklab(11.19% 0.0018 -0.0247)
OKLCH	oklch(11.19% 0.025 274.2)
XYZ	xyz(0.1536, 0.1352, 0.3987)
Luminance	0.0014 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03040D #0D0C03

analogous

#03090D #03040D #07030D

triadic

#03040D #0D0304 #040D03

tetradic

#03040D #0D0309 #0D0C03 #030D07

square

#03040D #0D0309 #0D0C03 #030D07

split-complementary

#03040D #0D0703 #090D03

monochromatic

#060819 #060819 #060819 #0E133F #1A2370

Accessibility & contrast

On white

20.45

#03040D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.03

#03040D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03040D

20.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03040D	#FFFFFF	#000000	##FFFFFF
##03040D	1.00	20.45	1.03	20.45
#FFFFFF	20.45	1.00	21.00	1.00
#000000	1.03	21.00	1.00	21.00
##FFFFFF	20.45	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02050D

Deuteranopia (green-blind)

#02040D

Tritanopia (blue-blind)

#010507

Achromatopsia (no color)

#040404

Design tokens & code

CSS

--color: #03040d;
/* rgb */ color: rgb(3, 4, 13);
/* oklch */ color: oklch(11.2% 0.025 274.2);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#03040d",
  "rgb": {
    "r": 3,
    "g": 4,
    "b": 13
  },
  "hsl": {
    "h": 234,
    "s": 62.5,
    "l": 3.137
  },
  "oklch": {
    "l": 0.11185,
    "c": 0.02474,
    "h": 274.2
  },
  "luminance": 0.00135
}

Semantic roles & 50–950 ramp

primary

#03040D

secondary

#4D491E

accent

#D542E6

background

#F4F4F4

surface

#E6E6E7

border

#C2C2C3

text

#000001

muted

#777777

Preview Lab

Preview with #03040D

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

Preview Lab → · Contrast checker → · Palette generator →