#040217#040217

#040217 is a very dark, muted blue. Relative luminance 0.001; OKLCH L 11.5% C 0.051 H 282.3°. Best body text is #FFFFFF at 20.46:1 contrast (WCAG AA passes).

Color values

HEX	#040217
RGB	rgb(4, 2, 23)
HSL	hsl(246, 84%, 5%)
HSV	hsv(246, 91%, 9%)
CMYK	cmyk(82.6%, 91.3%, 0%, 91%)
CIE-LAB	lab(1.18, 4.17, -9.74)
CIE-LCH	lch(1.18, 10.60, 293.17°)
OKLab	oklab(11.47% 0.0109 -0.0501)
OKLCH	oklch(11.47% 0.051 282.3)
XYZ	xyz(0.2264, 0.1311, 0.8238)
Luminance	0.0013 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040217 #151702

analogous

#020B17 #040217 #0F0217

triadic

#040217 #170402 #021704

tetradic

#040217 #17020B #151702 #02170F

square

#040217 #17020B #151702 #02170F

split-complementary

#040217 #170F02 #0B1702

monochromatic

#05021C #05021C #05021C #0E074F #180C88

Accessibility & contrast

On white

20.46

#040217 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.03

#040217 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040217

20.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040217	#FFFFFF	#000000	##FFFFFF
##040217	1.00	20.46	1.03	20.46
#FFFFFF	20.46	1.00	21.00	1.00
#000000	1.03	21.00	1.00	21.00
##FFFFFF	20.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000518

Deuteranopia (green-blind)

#000417

Tritanopia (blue-blind)

#00060A

Achromatopsia (no color)

#040404

Design tokens & code

CSS

--color: #040217;
/* rgb */ color: rgb(4, 2, 23);
/* oklch */ color: oklch(11.5% 0.051 282.3);

Tailwind

colors: {
  custom: {
    50: '#484853',
    500: '#040217',
    950: '#000000',
  },
}

SCSS

$custom: #040217;
$custom-light: #484853;
$custom-dark: #000000;

JSON

{
  "hex": "#040217",
  "rgb": {
    "r": 4,
    "g": 2,
    "b": 23
  },
  "hsl": {
    "h": 245.714,
    "s": 84,
    "l": 4.902
  },
  "oklch": {
    "l": 0.11469,
    "c": 0.05124,
    "h": 282.3
  },
  "luminance": 0.00131
}

Semantic roles & 50–950 ramp

primary

#040217

secondary

#565D18

accent

#FA2EE7

background

#F4F4F4

surface

#E6E6E7

border

#C2C2C3

text

#000002

muted

#777778

Preview Lab

Preview with #040217

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

Preview Lab → · Contrast checker → · Palette generator →