#040B05#040B05

#040B05 is a very dark, muted green. Relative luminance 0.003; OKLCH L 13.8% C 0.020 H 149.1°. Best body text is #FFFFFF at 19.90:1 contrast (WCAG AA passes).

Color values

HEX	#040B05
RGB	rgb(4, 11, 5)
HSL	hsl(129, 47%, 3%)
HSV	hsv(129, 64%, 4%)
CMYK	cmyk(63.6%, 0%, 54.5%, 95.7%)
CIE-LAB	lab(2.49, -2.68, 1.63)
CIE-LCH	lch(2.49, 3.13, 148.62°)
OKLab	oklab(13.8% -0.0174 0.0104)
OKLCH	oklch(13.8% 0.02 149.1)
XYZ	xyz(0.1971, 0.2761, 0.1865)
Luminance	0.0028 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040B05 #0B040A

analogous

#060B04 #040B05 #040B08

triadic

#040B05 #05040B #0B0504

tetradic

#040B05 #04060B #0B040A #0B0804

square

#040B05 #04060B #0B040A #0B0804

split-complementary

#040B05 #08040B #0B0406

monochromatic

#08160A #08160A #08160A #143819 #25652E

Accessibility & contrast

On white

19.90

#040B05 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.06

#040B05 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040B05

19.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040B05	#FFFFFF	#000000	##FFFFFF
##040B05	1.00	19.90	1.06	19.90
#FFFFFF	19.90	1.00	21.00	1.00
#000000	1.06	21.00	1.00	21.00
##FFFFFF	19.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0B0A05

Deuteranopia (green-blind)

#0A0905

Tritanopia (blue-blind)

#030B09

Achromatopsia (no color)

#090909

Design tokens & code

CSS

--color: #040b05;
/* rgb */ color: rgb(4, 11, 5);
/* oklch */ color: oklch(13.8% 0.020 149.1);

Tailwind

colors: {
  custom: {
    50: '#484c49',
    500: '#040b05',
    950: '#000000',
  },
}

SCSS

$custom: #040b05;
$custom-light: #484c49;
$custom-dark: #000000;

JSON

{
  "hex": "#040b05",
  "rgb": {
    "r": 4,
    "g": 11,
    "b": 5
  },
  "hsl": {
    "h": 128.571,
    "s": 46.667,
    "l": 2.941
  },
  "oklch": {
    "l": 0.13804,
    "c": 0.02032,
    "h": 149.1
  },
  "luminance": 0.00276
}

Semantic roles & 50–950 ramp

primary

#040B05

secondary

#472442

accent

#51C3D6

background

#F4F4F4

surface

#E6E7E6

border

#C2C3C2

text

#000100

muted

#777777

Preview Lab

Preview with #040B05

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

Preview Lab → · Contrast checker → · Palette generator →