#040D11#040D11

#040D11 is a very dark, near-neutral cyan. Relative luminance 0.004; OKLCH L 15.1% C 0.018 H 224.5°. Best body text is #FFFFFF at 19.61:1 contrast (WCAG AA passes).

Color values

HEX	#040D11
RGB	rgb(4, 13, 17)
HSL	hsl(198, 62%, 4%)
HSV	hsv(198, 76%, 7%)
CMYK	cmyk(76.5%, 23.5%, 0%, 93.3%)
CIE-LAB	lab(3.20, -1.70, -2.82)
CIE-LCH	lch(3.20, 3.30, 238.98°)
OKLab	oklab(15.11% -0.0127 -0.0125)
OKLCH	oklch(15.11% 0.018 224.5)
XYZ	xyz(0.2951, 0.3541, 0.5830)
Luminance	0.0035 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040D11 #110804

analogous

#04110F #040D11 #040711

triadic

#040D11 #11040D #0D1104

tetradic

#040D11 #0F0411 #110804 #071104

square

#040D11 #0F0411 #110804 #071104

split-complementary

#040D11 #110407 #110F04

monochromatic

#061319 #061319 #061319 #103343 #1B5974

Accessibility & contrast

On white

19.61

#040D11 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#040D11 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040D11

19.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040D11	#FFFFFF	#000000	##FFFFFF
##040D11	1.00	19.61	1.07	19.61
#FFFFFF	19.61	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B0D11

Deuteranopia (green-blind)

#090B11

Tritanopia (blue-blind)

#010E0E

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #040d11;
/* rgb */ color: rgb(4, 13, 17);
/* oklch */ color: oklch(15.1% 0.018 224.5);

Tailwind

colors: {
  custom: {
    50: '#484d4f',
    500: '#040d11',
    950: '#000000',
  },
}

SCSS

$custom: #040d11;
$custom-light: #484d4f;
$custom-dark: #000000;

JSON

{
  "hex": "#040d11",
  "rgb": {
    "r": 4,
    "g": 13,
    "b": 17
  },
  "hsl": {
    "h": 198.462,
    "s": 61.905,
    "l": 4.118
  },
  "oklch": {
    "l": 0.15111,
    "c": 0.01781,
    "h": 224.5
  },
  "luminance": 0.00354
}

Semantic roles & 50–950 ramp

primary

#040D11

secondary

#512F20

accent

#7543E5

background

#F4F4F4

surface

#E6E7E7

border

#C2C3C3

text

#000101

muted

#777777

Preview Lab

Preview with #040D11

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

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