#040F03#040F03

#040F03 is a very dark, muted green. Relative luminance 0.004; OKLCH L 15.2% C 0.034 H 141.2°. Best body text is #FFFFFF at 19.54:1 contrast (WCAG AA passes).

Color values

HEX	#040F03
RGB	rgb(4, 15, 3)
HSL	hsl(115, 67%, 4%)
HSV	hsv(115, 80%, 6%)
CMYK	cmyk(73.3%, 0%, 80%, 94.1%)
CIE-LAB	lab(3.38, -4.84, 3.74)
CIE-LCH	lch(3.38, 6.12, 142.32°)
OKLab	oklab(15.19% -0.0267 0.0215)
OKLCH	oklch(15.19% 0.034 141.2)
XYZ	xyz(0.2373, 0.3740, 0.1458)
Luminance	0.0037 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040F03 #0E030F

analogous

#0A0F03 #040F03 #030F08

triadic

#040F03 #03040F #0F0304

tetradic

#040F03 #030A0F #0E030F #0F0803

square

#040F03 #030A0F #0E030F #0F0803

split-complementary

#040F03 #08030F #0F030A

monochromatic

#071A05 #071A05 #071A05 #12420D #1F7517

Accessibility & contrast

On white

19.54

#040F03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#040F03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040F03

19.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040F03	#FFFFFF	#000000	##FFFFFF
##040F03	1.00	19.54	1.07	19.54
#FFFFFF	19.54	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#100D02

Deuteranopia (green-blind)

#0E0C04

Tritanopia (blue-blind)

#030E0C

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #040f03;
/* rgb */ color: rgb(4, 15, 3);
/* oklch */ color: oklch(15.2% 0.034 141.2);

Tailwind

colors: {
  custom: {
    50: '#484e48',
    500: '#040f03',
    950: '#000000',
  },
}

SCSS

$custom: #040f03;
$custom-light: #484e48;
$custom-dark: #000000;

JSON

{
  "hex": "#040f03",
  "rgb": {
    "r": 4,
    "g": 15,
    "b": 3
  },
  "hsl": {
    "h": 115,
    "s": 66.667,
    "l": 3.529
  },
  "oklch": {
    "l": 0.15191,
    "c": 0.03429,
    "h": 141.2
  },
  "luminance": 0.00374
}

Semantic roles & 50–950 ramp

primary

#040F03

secondary

#4C1D51

accent

#3EEADB

background

#F4F4F4

surface

#E6E7E6

border

#C2C3C2

text

#000100

muted

#777777

Preview Lab

Preview with #040F03

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

Preview Lab → · Contrast checker → · Palette generator →