#040F0C#040F0C

#040F0C is a very dark, near-neutral teal. Relative luminance 0.004; OKLCH L 15.6% C 0.019 H 176.3°. Best body text is #FFFFFF at 19.47:1 contrast (WCAG AA passes).

Color values

HEX	#040F0C
RGB	rgb(4, 15, 12)
HSL	hsl(164, 58%, 4%)
HSV	hsv(164, 73%, 6%)
CMYK	cmyk(73.3%, 0%, 20%, 94.1%)
CIE-LAB	lab(3.56, -3.58, 0.29)
CIE-LCH	lch(3.56, 3.59, 175.36°)
OKLab	oklab(15.55% -0.0192 0.0012)
OKLCH	oklch(15.55% 0.019 176.3)
XYZ	xyz(0.2872, 0.3940, 0.4087)
Luminance	0.0039 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040F0C #0F0407

analogous

#040F06 #040F0C #040C0F

triadic

#040F0C #0C040F #0F0C04

tetradic

#040F0C #06040F #0F0407 #0C0F04

square

#040F0C #06040F #0F0407 #0C0F04

split-complementary

#040F0C #0F040C #0F0604

monochromatic

#061813 #061813 #061813 #113F33 #1E7059

Accessibility & contrast

On white

19.47

#040F0C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.08

#040F0C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040F0C

19.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040F0C	#FFFFFF	#000000	##FFFFFF
##040F0C	1.00	19.47	1.08	19.47
#FFFFFF	19.47	1.00	21.00	1.00
#000000	1.08	21.00	1.00	21.00
##FFFFFF	19.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E0E0C

Deuteranopia (green-blind)

#0C0C0C

Tritanopia (blue-blind)

#020F0E

Achromatopsia (no color)

#0D0D0D

Design tokens & code

CSS

--color: #040f0c;
/* rgb */ color: rgb(4, 15, 12);
/* oklch */ color: oklch(15.6% 0.019 176.3);

Tailwind

colors: {
  custom: {
    50: '#484e4c',
    500: '#040f0c',
    950: '#000000',
  },
}

SCSS

$custom: #040f0c;
$custom-light: #484e4c;
$custom-dark: #000000;

JSON

{
  "hex": "#040f0c",
  "rgb": {
    "r": 4,
    "g": 15,
    "b": 12
  },
  "hsl": {
    "h": 163.636,
    "s": 57.895,
    "l": 3.725
  },
  "oklch": {
    "l": 0.15551,
    "c": 0.01927,
    "h": 176.3
  },
  "luminance": 0.00394
}

Semantic roles & 50–950 ramp

primary

#040F0C

secondary

#4E212D

accent

#4771E1

background

#F4F4F4

surface

#E6E7E7

border

#C2C3C3

text

#000101

muted

#777777

Preview Lab

Preview with #040F0C

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

Preview Lab → · Contrast checker → · Palette generator →