#040010#040010

#040010 is a very dark, muted violet. Relative luminance 0.001; OKLCH L 9.3% C 0.051 H 295.5°. Best body text is #FFFFFF at 20.74:1 contrast (WCAG AA passes).

Color values

HEX	#040010
RGB	rgb(4, 0, 16)
HSL	hsl(255, 100%, 3%)
HSV	hsv(255, 100%, 6%)
CMYK	cmyk(75%, 100%, 0%, 93.7%)
CIE-LAB	lab(0.57, 3.42, -6.09)
CIE-LCH	lch(0.57, 6.99, 299.32°)
OKLab	oklab(9.28% 0.0219 -0.0458)
OKLCH	oklch(9.28% 0.051 295.5)
XYZ	xyz(0.1436, 0.0632, 0.4947)
Luminance	0.0006 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040010 #0C1000

analogous

#000410 #040010 #0C0010

triadic

#040010 #100400 #001004

tetradic

#040010 #100004 #0C1000 #00100C

square

#040010 #100004 #0C1000 #00100C

split-complementary

#040010 #100C00 #041000

monochromatic

#08001F #08001F #08001F #13004D #23008A

Accessibility & contrast

On white

20.74

#040010 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.01

#040010 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040010

20.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040010	#FFFFFF	#000000	##FFFFFF
##040010	1.00	20.74	1.01	20.74
#FFFFFF	20.74	1.00	21.00	1.00
#000000	1.01	21.00	1.00	21.00
##FFFFFF	20.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000211

Deuteranopia (green-blind)

#000210

Tritanopia (blue-blind)

#020205

Achromatopsia (no color)

#020202

Design tokens & code

CSS

--color: #040010;
/* rgb */ color: rgb(4, 0, 16);
/* oklch */ color: oklch(9.3% 0.051 295.5);

Tailwind

colors: {
  custom: {
    50: '#48474e',
    500: '#040010',
    950: '#000000',
  },
}

SCSS

$custom: #040010;
$custom-light: #48474e;
$custom-dark: #000000;

JSON

{
  "hex": "#040010",
  "rgb": {
    "r": 4,
    "g": 0,
    "b": 16
  },
  "hsl": {
    "h": 255,
    "s": 100,
    "l": 3.137
  },
  "oklch": {
    "l": 0.09275,
    "c": 0.05077,
    "h": 295.5
  },
  "luminance": 0.00063
}

Semantic roles & 50–950 ramp

primary

#040010

secondary

#495C10

accent

#FF29C9

background

#F4F3F4

surface

#E6E5E7

border

#C2C1C3

text

#000001

muted

#777777

Preview Lab

Preview with #040010

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

Preview Lab → · Contrast checker → · Palette generator →