#030019#030019

#030019 is a very dark, moderate blue. Relative luminance 0.001; OKLCH L 10.5% C 0.063 H 280.3°. Best body text is #FFFFFF at 20.63:1 contrast (WCAG AA passes).

Color values

HEX	#030019
RGB	rgb(3, 0, 25)
HSL	hsl(247, 100%, 5%)
HSV	hsv(247, 100%, 10%)
CMYK	cmyk(88%, 100%, 0%, 90.2%)
CIE-LAB	lab(0.81, 5.24, -11.85)
CIE-LCH	lch(0.81, 12.95, 293.87°)
OKLab	oklab(10.46% 0.0113 -0.0621)
OKLCH	oklch(10.46% 0.063 280.3)
XYZ	xyz(0.2130, 0.0895, 0.9256)
Luminance	0.0009 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030019 #161900

analogous

#000A19 #030019 #100019

triadic

#030019 #190300 #001903

tetradic

#030019 #19000A #161900 #001910

square

#030019 #19000A #161900 #001910

split-complementary

#030019 #191000 #0A1900

monochromatic

#04001F #04001F #04001F #0A0056 #120093

Accessibility & contrast

On white

20.63

#030019 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.02

#030019 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030019

20.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030019	#FFFFFF	#000000	##FFFFFF
##030019	1.00	20.63	1.02	20.63
#FFFFFF	20.63	1.00	21.00	1.00
#000000	1.02	21.00	1.00	21.00
##FFFFFF	20.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00041A

Deuteranopia (green-blind)

#000218

Tritanopia (blue-blind)

#00040A

Achromatopsia (no color)

#030303

Design tokens & code

CSS

--color: #030019;
/* rgb */ color: rgb(3, 0, 25);
/* oklch */ color: oklch(10.5% 0.063 280.3);

Tailwind

colors: {
  custom: {
    50: '#474755',
    500: '#030019',
    950: '#000000',
  },
}

SCSS

$custom: #030019;
$custom-light: #474755;
$custom-dark: #000000;

JSON

{
  "hex": "#030019",
  "rgb": {
    "r": 3,
    "g": 0,
    "b": 25
  },
  "hsl": {
    "h": 247.2,
    "s": 100,
    "l": 4.902
  },
  "oklch": {
    "l": 0.10458,
    "c": 0.06311,
    "h": 280.3
  },
  "luminance": 0.0009
}

Semantic roles & 50–950 ramp

primary

#030019

secondary

#596312

accent

#FF29E5

background

#F4F3F4

surface

#E6E5E7

border

#C2C1C3

text

#000003

muted

#777778

Preview Lab

Preview with #030019

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

Preview Lab → · Contrast checker → · Palette generator →