#040D0D#040D0D

#040D0D is a very dark, near-neutral teal. Relative luminance 0.003; OKLCH L 14.9% C 0.016 H 195.6°. Best body text is #FFFFFF at 19.65:1 contrast (WCAG AA passes).

Color values

HEX	#040D0D
RGB	rgb(4, 13, 13)
HSL	hsl(180, 53%, 3%)
HSV	hsv(180, 69%, 5%)
CMYK	cmyk(69.2%, 0%, 0%, 94.9%)
CIE-LAB	lab(3.10, -2.42, -0.85)
CIE-LCH	lch(3.10, 2.57, 199.41°)
OKLab	oklab(14.89% -0.0151 -0.0042)
OKLCH	oklch(14.89% 0.016 195.6)
XYZ	xyz(0.2666, 0.3427, 0.4328)
Luminance	0.0034 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040D0D #0D0404

analogous

#040D08 #040D0D #04080D

triadic

#040D0D #0D040D #0D0D04

tetradic

#040D0D #08040D #0D0404 #080D04

square

#040D0D #08040D #0D0404 #080D04

split-complementary

#040D0D #0D0408 #0D0804

monochromatic

#071717 #071717 #071717 #123C3C #216B6B

Accessibility & contrast

On white

19.65

#040D0D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#040D0D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040D0D

19.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040D0D	#FFFFFF	#000000	##FFFFFF
##040D0D	1.00	19.65	1.07	19.65
#FFFFFF	19.65	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C0C0D

Deuteranopia (green-blind)

#0A0B0D

Tritanopia (blue-blind)

#020E0D

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #040d0d;
/* rgb */ color: rgb(4, 13, 13);
/* oklch */ color: oklch(14.9% 0.016 195.6);

Tailwind

colors: {
  custom: {
    50: '#484d4d',
    500: '#040d0d',
    950: '#000000',
  },
}

SCSS

$custom: #040d0d;
$custom-light: #484d4d;
$custom-dark: #000000;

JSON

{
  "hex": "#040d0d",
  "rgb": {
    "r": 4,
    "g": 13,
    "b": 13
  },
  "hsl": {
    "h": 180,
    "s": 52.941,
    "l": 3.333
  },
  "oklch": {
    "l": 0.14894,
    "c": 0.01567,
    "h": 195.6
  },
  "luminance": 0.00343
}

Semantic roles & 50–950 ramp

primary

#040D0D

secondary

#4B2222

accent

#4B4BDC

background

#F4F4F4

surface

#E6E7E7

border

#C2C3C3

text

#000101

muted

#777777

Preview Lab

Preview with #040D0D

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

Preview Lab → · Contrast checker → · Palette generator →