#040D03#040D03

#040D03 is a very dark, muted green. Relative luminance 0.003; OKLCH L 14.4% C 0.030 H 140.8°. Best body text is #FFFFFF at 19.74:1 contrast (WCAG AA passes).

Color values

HEX	#040D03
RGB	rgb(4, 13, 3)
HSL	hsl(114, 63%, 3%)
HSV	hsv(114, 77%, 5%)
CMYK	cmyk(69.2%, 0%, 76.9%, 94.9%)
CIE-LAB	lab(2.89, -3.85, 3.03)
CIE-LCH	lch(2.89, 4.90, 141.80°)
OKLab	oklab(14.45% -0.0233 0.019)
OKLCH	oklch(14.45% 0.03 140.8)
XYZ	xyz(0.2104, 0.3202, 0.1369)
Luminance	0.0032 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040D03 #0C030D

analogous

#090D03 #040D03 #030D07

triadic

#040D03 #03040D #0D0304

tetradic

#040D03 #03090D #0C030D #0D0703

square

#040D03 #03090D #0C030D #0D0703

split-complementary

#040D03 #07030D #0D0309

monochromatic

#081906 #081906 #081906 #133F0E #23701A

Accessibility & contrast

On white

19.74

#040D03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#040D03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040D03

19.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040D03	#FFFFFF	#000000	##FFFFFF
##040D03	1.00	19.74	1.06	19.74
#FFFFFF	19.74	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.74	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E0B03

Deuteranopia (green-blind)

#0C0A03

Tritanopia (blue-blind)

#030C0A

Achromatopsia (no color)

#0B0B0B

Design tokens & code

CSS

--color: #040d03;
/* rgb */ color: rgb(4, 13, 3);
/* oklch */ color: oklch(14.4% 0.030 140.8);

Tailwind

colors: {
  custom: {
    50: '#484d48',
    500: '#040d03',
    950: '#000000',
  },
}

SCSS

$custom: #040d03;
$custom-light: #484d48;
$custom-dark: #000000;

JSON

{
  "hex": "#040d03",
  "rgb": {
    "r": 4,
    "g": 13,
    "b": 3
  },
  "hsl": {
    "h": 114,
    "s": 62.5,
    "l": 3.137
  },
  "oklch": {
    "l": 0.14448,
    "c": 0.03011,
    "h": 140.8
  },
  "luminance": 0.0032
}

Semantic roles & 50–950 ramp

primary

#040D03

secondary

#491E4D

accent

#42E6D5

background

#F4F4F4

surface

#E6E7E6

border

#C2C3C2

text

#000100

muted

#777777

Preview Lab

Preview with #040D03

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

Preview Lab → · Contrast checker → · Palette generator →