#040D01#040D01

#040D01 is a very dark, muted green. Relative luminance 0.003; OKLCH L 14.4% C 0.037 H 135.4°. Best body text is #FFFFFF at 19.75:1 contrast (WCAG AA passes).

Color values

HEX	#040D01
RGB	rgb(4, 13, 1)
HSL	hsl(105, 86%, 3%)
HSV	hsv(105, 92%, 5%)
CMYK	cmyk(69.2%, 0%, 92.3%, 94.9%)
CIE-LAB	lab(2.85, -4.12, 3.79)
CIE-LCH	lch(2.85, 5.60, 137.45°)
OKLab	oklab(14.36% -0.026 0.0257)
OKLCH	oklch(14.36% 0.037 135.4)
XYZ	xyz(0.1995, 0.3158, 0.0792)
Luminance	0.0032 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040D01 #0A010D

analogous

#0A0D01 #040D01 #010D04

triadic

#040D01 #01040D #0D0104

tetradic

#040D01 #010A0D #0A010D #0D0401

square

#040D01 #010A0D #0A010D #0D0401

split-complementary

#040D01 #04010D #0D010A

monochromatic

#091C02 #091C02 #091C02 #154605 #277F0A

Accessibility & contrast

On white

19.75

#040D01 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#040D01 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040D01

19.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040D01	#FFFFFF	#000000	##FFFFFF
##040D01	1.00	19.75	1.06	19.75
#FFFFFF	19.75	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E0B00

Deuteranopia (green-blind)

#0C0A01

Tritanopia (blue-blind)

#040C09

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #040d01;
/* rgb */ color: rgb(4, 13, 1);
/* oklch */ color: oklch(14.4% 0.037 135.4);

Tailwind

colors: {
  custom: {
    50: '#484c47',
    500: '#040d01',
    950: '#000000',
  },
}

SCSS

$custom: #040d01;
$custom-light: #484c47;
$custom-dark: #000000;

JSON

{
  "hex": "#040d01",
  "rgb": {
    "r": 4,
    "g": 13,
    "b": 1
  },
  "hsl": {
    "h": 105,
    "s": 85.714,
    "l": 2.745
  },
  "oklch": {
    "l": 0.14359,
    "c": 0.03659,
    "h": 135.4
  },
  "luminance": 0.00316
}

Semantic roles & 50–950 ramp

primary

#040D01

secondary

#451555

accent

#2CFCC8

background

#F4F4F3

surface

#E6E7E5

border

#C2C3C1

text

#000100

muted

#777777

Preview Lab

Preview with #040D01

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

Preview Lab → · Contrast checker → · Palette generator →