#030509#030509

#030509 is a very dark, near-neutral blue. Relative luminance 0.001; OKLCH L 11.4% C 0.013 H 257.6°. Best body text is #FFFFFF at 20.40:1 contrast (WCAG AA passes).

Color values

HEX	#030509
RGB	rgb(3, 5, 9)
HSL	hsl(220, 50%, 2%)
HSV	hsv(220, 67%, 4%)
CMYK	cmyk(66.7%, 44.4%, 0%, 96.5%)
CIE-LAB	lab(1.33, 0.03, -1.70)
CIE-LCH	lch(1.33, 1.70, 271.12°)
OKLab	oklab(11.39% -0.0028 -0.0128)
OKLCH	oklch(11.39% 0.013 257.6)
XYZ	xyz(0.1411, 0.1476, 0.2794)
Luminance	0.0015 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030509 #090703

analogous

#030809 #030509 #040309

triadic

#030509 #090305 #050903

tetradic

#030509 #090308 #090703 #030904

square

#030509 #090308 #090703 #030904

split-complementary

#030509 #090403 #080903

monochromatic

#080D17 #080D17 #080D17 #121F37 #223865

Accessibility & contrast

On white

20.40

#030509 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.03

#030509 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030509

20.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030509	#FFFFFF	#000000	##FFFFFF
##030509	1.00	20.40	1.03	20.40
#FFFFFF	20.40	1.00	21.00	1.00
#000000	1.03	21.00	1.00	21.00
##FFFFFF	20.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#040509

Deuteranopia (green-blind)

#030509

Tritanopia (blue-blind)

#020606

Achromatopsia (no color)

#050505

Design tokens & code

CSS

--color: #030509;
/* rgb */ color: rgb(3, 5, 9);
/* oklch */ color: oklch(11.4% 0.013 257.6);

Tailwind

colors: {
  custom: {
    50: '#48494b',
    500: '#030509',
    950: '#000000',
  },
}

SCSS

$custom: #030509;
$custom-light: #48494b;
$custom-dark: #000000;

JSON

{
  "hex": "#030509",
  "rgb": {
    "r": 3,
    "g": 5,
    "b": 9
  },
  "hsl": {
    "h": 220,
    "s": 50,
    "l": 2.353
  },
  "oklch": {
    "l": 0.11385,
    "c": 0.01311,
    "h": 257.6
  },
  "luminance": 0.00148
}

Semantic roles & 50–950 ramp

primary

#030509

secondary

#463A22

accent

#AB4EDA

background

#F4F4F4

surface

#E6E6E7

border

#C2C2C3

text

#000001

muted

#777777

Preview Lab

Preview with #030509

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

Preview Lab → · Contrast checker → · Palette generator →