#040B02#040B02

#040B02 is a very dark, muted green. Relative luminance 0.003; OKLCH L 13.7% C 0.029 H 136.6°. Best body text is #FFFFFF at 19.92:1 contrast (WCAG AA passes).

Color values

HEX	#040B02
RGB	rgb(4, 11, 2)
HSL	hsl(107, 69%, 3%)
HSV	hsv(107, 82%, 4%)
CMYK	cmyk(63.6%, 0%, 81.8%, 95.7%)
CIE-LAB	lab(2.43, -3.09, 2.77)
CIE-LCH	lch(2.43, 4.15, 138.15°)
OKLab	oklab(13.66% -0.0211 0.0199)
OKLCH	oklch(13.66% 0.029 136.6)
XYZ	xyz(0.1807, 0.2695, 0.0999)
Luminance	0.0027 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#040B02 #09020B

analogous

#080B02 #040B02 #020B05

triadic

#040B02 #02040B #0B0204

tetradic

#040B02 #02080B #09020B #0B0502

square

#040B02 #02080B #09020B #0B0502

split-complementary

#040B02 #05020B #0B0208

monochromatic

#091A05 #091A05 #091A05 #173F0B #2A7315

Accessibility & contrast

On white

19.92

#040B02 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.05

#040B02 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #040B02

19.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##040B02	#FFFFFF	#000000	##FFFFFF
##040B02	1.00	19.92	1.05	19.92
#FFFFFF	19.92	1.00	21.00	1.00
#000000	1.05	21.00	1.00	21.00
##FFFFFF	19.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0C0902

Deuteranopia (green-blind)

#0A0902

Tritanopia (blue-blind)

#040A08

Achromatopsia (no color)

#090909

Design tokens & code

CSS

--color: #040b02;
/* rgb */ color: rgb(4, 11, 2);
/* oklch */ color: oklch(13.7% 0.029 136.6);

Tailwind

colors: {
  custom: {
    50: '#484c48',
    500: '#040b02',
    950: '#000000',
  },
}

SCSS

$custom: #040b02;
$custom-light: #484c48;
$custom-dark: #000000;

JSON

{
  "hex": "#040b02",
  "rgb": {
    "r": 4,
    "g": 11,
    "b": 2
  },
  "hsl": {
    "h": 106.667,
    "s": 69.231,
    "l": 2.549
  },
  "oklch": {
    "l": 0.13656,
    "c": 0.029,
    "h": 136.6
  },
  "luminance": 0.0027
}

Semantic roles & 50–950 ramp

primary

#040B02

secondary

#431B4E

accent

#3CECC5

background

#F4F4F4

surface

#E6E7E6

border

#C2C3C2

text

#000100

muted

#777777

Preview Lab

Preview with #040B02

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

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