#040D09#040D09

#040D09 is a very dark, near-neutral teal. Relative luminance 0.003; OKLCH L 14.7% C 0.018 H 167.5°. Best body text is #FFFFFF at 19.69:1 contrast (WCAG AA passes).

Color values

HEX	#040D09
RGB	rgb(4, 13, 9)
HSL	hsl(153, 53%, 3%)
HSV	hsv(153, 69%, 5%)
CMYK	cmyk(69.2%, 0%, 30.8%, 94.9%)
CIE-LAB	lab(3.01, -3.01, 0.76)
CIE-LCH	lch(3.01, 3.11, 165.85°)
OKLab	oklab(14.71% -0.0177 0.0039)
OKLCH	oklch(14.71% 0.018 167.5)
XYZ	xyz(0.2433, 0.3334, 0.3099)
Luminance	0.0033 (WCAG relative)
Temperature	neutral
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040D09 #0D0408

analogous

#040D04 #040D09 #040C0D

triadic

#040D09 #09040D #0D0904

tetradic

#040D09 #04040D #0D0408 #0C0D04

square

#040D09 #04040D #0D0408 #0C0D04

split-complementary

#040D09 #0D040C #0D0404

monochromatic

#071710 #071710 #071710 #123C29 #216B4A

Accessibility & contrast

On white

19.69

#040D09 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#040D09 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040D09

19.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040D09	#FFFFFF	#000000	##FFFFFF
##040D09	1.00	19.69	1.07	19.69
#FFFFFF	19.69	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D0C09

Deuteranopia (green-blind)

#0B0A09

Tritanopia (blue-blind)

#020D0C

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #040d09;
/* rgb */ color: rgb(4, 13, 9);
/* oklch */ color: oklch(14.7% 0.018 167.5);

Tailwind

colors: {
  custom: {
    50: '#484d4b',
    500: '#040d09',
    950: '#000000',
  },
}

SCSS

$custom: #040d09;
$custom-light: #484d4b;
$custom-dark: #000000;

JSON

{
  "hex": "#040d09",
  "rgb": {
    "r": 4,
    "g": 13,
    "b": 9
  },
  "hsl": {
    "h": 153.333,
    "s": 52.941,
    "l": 3.333
  },
  "oklch": {
    "l": 0.14711,
    "c": 0.01816,
    "h": 167.5
  },
  "luminance": 0.00333
}

Semantic roles & 50–950 ramp

primary

#040D09

secondary

#4B2234

accent

#4B8CDC

background

#F4F4F4

surface

#E6E7E7

border

#C2C3C3

text

#000101

muted

#777777

Preview Lab

Preview with #040D09

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

Preview Lab → · Contrast checker → · Palette generator →