#040219#040219

#040219 is a very dark, muted blue. Relative luminance 0.001; OKLCH L 11.7% C 0.055 H 280.9°. Best body text is #FFFFFF at 20.43:1 contrast (WCAG AA passes).

Color values

HEX	#040219
RGB	rgb(4, 2, 25)
HSL	hsl(245, 85%, 5%)
HSV	hsv(245, 92%, 10%)
CMYK	cmyk(84%, 92%, 0%, 90.2%)
CIE-LAB	lab(1.26, 4.70, -11.18)
CIE-LCH	lch(1.26, 12.13, 292.80°)
OKLab	oklab(11.74% 0.0103 -0.0536)
OKLCH	oklch(11.74% 0.055 280.9)
XYZ	xyz(0.2472, 0.1394, 0.9334)
Luminance	0.0014 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040219 #171902

analogous

#020B19 #040219 #0F0219

triadic

#040219 #190402 #021904

tetradic

#040219 #19020B #171902 #02190F

square

#040219 #19020B #171902 #02190F

split-complementary

#040219 #190F02 #0B1902

monochromatic

#05021C #05021C #05021C #0D0752 #160B8A

Accessibility & contrast

On white

20.43

#040219 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.03

#040219 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040219

20.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040219	#FFFFFF	#000000	##FFFFFF
##040219	1.00	20.43	1.03	20.43
#FFFFFF	20.43	1.00	21.00	1.00
#000000	1.03	21.00	1.00	21.00
##FFFFFF	20.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00051A

Deuteranopia (green-blind)

#000419

Tritanopia (blue-blind)

#00060B

Achromatopsia (no color)

#050505

Design tokens & code

CSS

--color: #040219;
/* rgb */ color: rgb(4, 2, 25);
/* oklch */ color: oklch(11.7% 0.055 280.9);

Tailwind

colors: {
  custom: {
    50: '#484855',
    500: '#040219',
    950: '#000000',
  },
}

SCSS

$custom: #040219;
$custom-light: #484855;
$custom-dark: #000000;

JSON

{
  "hex": "#040219",
  "rgb": {
    "r": 4,
    "g": 2,
    "b": 25
  },
  "hsl": {
    "h": 245.217,
    "s": 85.185,
    "l": 5.294
  },
  "oklch": {
    "l": 0.11735,
    "c": 0.05461,
    "h": 280.9
  },
  "luminance": 0.00139
}

Semantic roles & 50–950 ramp

primary

#040219

secondary

#595F18

accent

#FB2CE9

background

#F4F4F4

surface

#E6E6E7

border

#C2C2C3

text

#000003

muted

#777778

Preview Lab

Preview with #040219

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

Preview Lab → · Contrast checker → · Palette generator →