#03040F#03040F

#03040F is a very dark, muted blue. Relative luminance 0.001; OKLCH L 11.4% C 0.029 H 274.5°. Best body text is #FFFFFF at 20.42:1 contrast (WCAG AA passes).

Color values

HEX	#03040F
RGB	rgb(3, 4, 15)
HSL	hsl(235, 67%, 4%)
HSV	hsv(235, 80%, 6%)
CMYK	cmyk(80%, 73.3%, 0%, 94.1%)
CIE-LAB	lab(1.27, 1.37, -4.53)
CIE-LCH	lch(1.27, 4.74, 286.82°)
OKLab	oklab(11.37% 0.0023 -0.0289)
OKLCH	oklch(11.37% 0.029 274.5)
XYZ	xyz(0.1672, 0.1407, 0.4702)
Luminance	0.0014 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03040F #0F0E03

analogous

#030A0F #03040F #08030F

triadic

#03040F #0F0304 #040F03

tetradic

#03040F #0F030A #0F0E03 #030F08

square

#03040F #0F030A #0F0E03 #030F08

split-complementary

#03040F #0F0803 #0A0F03

monochromatic

#05071A #05071A #05071A #0D1242 #171F75

Accessibility & contrast

On white

20.42

#03040F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.03

#03040F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03040F

20.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03040F	#FFFFFF	#000000	##FFFFFF
##03040F	1.00	20.42	1.03	20.42
#FFFFFF	20.42	1.00	21.00	1.00
#000000	1.03	21.00	1.00	21.00
##FFFFFF	20.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#01050F

Deuteranopia (green-blind)

#01040F

Tritanopia (blue-blind)

#010608

Achromatopsia (no color)

#050505

Design tokens & code

CSS

--color: #03040f;
/* rgb */ color: rgb(3, 4, 15);
/* oklch */ color: oklch(11.4% 0.029 274.5);

Tailwind

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

SCSS

$custom: #03040f;
$custom-light: #48484e;
$custom-dark: #000000;

JSON

{
  "hex": "#03040f",
  "rgb": {
    "r": 3,
    "g": 4,
    "b": 15
  },
  "hsl": {
    "h": 235,
    "s": 66.667,
    "l": 3.529
  },
  "oklch": {
    "l": 0.11369,
    "c": 0.02902,
    "h": 274.5
  },
  "luminance": 0.00141
}

Semantic roles & 50–950 ramp

primary

#03040F

secondary

#514C1D

accent

#DB3EEA

background

#F4F4F4

surface

#E6E6E7

border

#C2C2C3

text

#000001

muted

#777777

Preview Lab

Preview with #03040F

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

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