#040C01#040C01

#040C01 is a very dark, muted green. Relative luminance 0.003; OKLCH L 14.0% C 0.035 H 134.6°. Best body text is #FFFFFF at 19.85:1 contrast (WCAG AA passes).

Color values

HEX	#040C01
RGB	rgb(4, 12, 1)
HSL	hsl(104, 85%, 3%)
HSV	hsv(104, 92%, 5%)
CMYK	cmyk(66.7%, 0%, 91.7%, 95.3%)
CIE-LAB	lab(2.63, -3.67, 3.46)
CIE-LCH	lch(2.63, 5.04, 136.67°)
OKLab	oklab(13.98% -0.0244 0.0247)
OKLCH	oklch(13.98% 0.035 134.6)
XYZ	xyz(0.1870, 0.2909, 0.0750)
Luminance	0.0029 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040C01 #09010C

analogous

#090C01 #040C01 #010C03

triadic

#040C01 #01040C #0C0104

tetradic

#040C01 #01090C #09010C #0C0301

square

#040C01 #01090C #09010C #0C0301

split-complementary

#040C01 #03010C #0C0109

monochromatic

#091C02 #091C02 #091C02 #174406 #2A7D0A

Accessibility & contrast

On white

19.85

#040C01 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#040C01 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040C01

19.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040C01	#FFFFFF	#000000	##FFFFFF
##040C01	1.00	19.85	1.06	19.85
#FFFFFF	19.85	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D0A00

Deuteranopia (green-blind)

#0C0901

Tritanopia (blue-blind)

#040B09

Achromatopsia (no color)

#0A0A0A

Design tokens & code

CSS

--color: #040c01;
/* rgb */ color: rgb(4, 12, 1);
/* oklch */ color: oklch(14.0% 0.035 134.6);

Tailwind

colors: {
  custom: {
    50: '#484c47',
    500: '#040c01',
    950: '#000000',
  },
}

SCSS

$custom: #040c01;
$custom-light: #484c47;
$custom-dark: #000000;

JSON

{
  "hex": "#040c01",
  "rgb": {
    "r": 4,
    "g": 12,
    "b": 1
  },
  "hsl": {
    "h": 103.636,
    "s": 84.615,
    "l": 2.549
  },
  "oklch": {
    "l": 0.13983,
    "c": 0.03471,
    "h": 134.6
  },
  "luminance": 0.00291
}

Semantic roles & 50–950 ramp

primary

#040C01

secondary

#431553

accent

#2DFBC3

background

#F4F4F3

surface

#E6E7E5

border

#C2C3C1

text

#000100

muted

#777777

Preview Lab

Preview with #040C01

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

Preview Lab → · Contrast checker → · Palette generator →