#03400B#03400B

#03400B is a dark, moderate green. Relative luminance 0.037; OKLCH L 32.4% C 0.101 H 144.4°. Best body text is #FFFFFF at 12.06:1 contrast (WCAG AA passes).

Color values

HEX	#03400B
RGB	rgb(3, 64, 11)
HSL	hsl(128, 91%, 13%)
HSV	hsv(128, 95%, 25%)
CMYK	cmyk(95.3%, 0%, 82.8%, 74.9%)
CIE-LAB	lab(22.69, -30.33, 25.80)
CIE-LCH	lch(22.69, 39.82, 139.61°)
OKLab	oklab(32.36% -0.0818 0.0586)
OKLCH	oklch(32.36% 0.101 144.4)
XYZ	xyz(1.9312, 3.7101, 0.9309)
Luminance	0.0371 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

#0B4008

ΔE00 1.07

Forest Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#03400B #400338

analogous

#194003 #03400B #034029

triadic

#03400B #0B0340 #400B03

tetradic

#03400B #031940 #400338 #402903

square

#03400B #031940 #400338 #402903

split-complementary

#03400B #290340 #400319

monochromatic

#011D05 #011D05 #03400B #067A15 #08B51F

Accessibility & contrast

On white

12.06

#03400B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.74

#03400B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #03400B

12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##03400B	#FFFFFF	#000000	##FFFFFF
##03400B	1.00	12.06	1.74	12.06
#FFFFFF	12.06	1.00	21.00	1.00
#000000	1.74	21.00	1.00	21.00
##FFFFFF	12.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#413903

Deuteranopia (green-blind)

#3B3411

Tritanopia (blue-blind)

#003E36

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #03400b;
/* rgb */ color: rgb(3, 64, 11);
/* oklch */ color: oklch(32.4% 0.101 144.4);

Tailwind

colors: {
  custom: {
    50: '#52764e',
    500: '#03400b',
    950: '#000000',
  },
}

SCSS

$custom: #03400b;
$custom-light: #52764e;
$custom-dark: #000000;

JSON

{
  "hex": "#03400b",
  "rgb": {
    "r": 3,
    "g": 64,
    "b": 11
  },
  "hsl": {
    "h": 127.869,
    "s": 91.045,
    "l": 13.137
  },
  "oklch": {
    "l": 0.32361,
    "c": 0.10064,
    "h": 144.4
  },
  "luminance": 0.0371
}

Semantic roles & 50–950 ramp

primary

#03400B

secondary

#821D75

accent

#29E3FF

background

#F4F7F4

surface

#E8EDE7

border

#C4C8C3

text

#030801

muted

#787B77

Preview Lab

Preview with #03400B

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

Preview Lab → · Contrast checker → · Palette generator →