#04390B#04390B

#04390B is a dark, moderate green. Relative luminance 0.030; OKLCH L 30.1% C 0.091 H 144.7°. Best body text is #FFFFFF at 13.16:1 contrast (WCAG AA passes).

Color values

HEX	#04390B
RGB	rgb(4, 57, 11)
HSL	hsl(128, 87%, 12%)
HSV	hsv(128, 93%, 22%)
CMYK	cmyk(93%, 0%, 80.7%, 77.6%)
CIE-LAB	lab(19.95, -27.51, 22.84)
CIE-LCH	lch(19.95, 35.76, 140.31°)
OKLab	oklab(30.09% -0.0742 0.0526)
OKLCH	oklch(30.09% 0.091 144.7)
XYZ	xyz(1.5735, 2.9760, 0.8080)
Luminance	0.0298 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Dark Green

#033500

ΔE00 1.70

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 4.73

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04390B #390432

analogous

#183904 #04390B #043926

triadic

#04390B #0B0439 #390B04

tetradic

#04390B #041839 #390432 #392604

square

#04390B #041839 #390432 #392604

split-complementary

#04390B #260439 #390418

monochromatic

#021D06 #021D06 #04390B #087216 #0CAB21

Accessibility & contrast

On white

13.16

#04390B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#04390B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04390B

13.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04390B	#FFFFFF	#000000	##FFFFFF
##04390B	1.00	13.16	1.60	13.16
#FFFFFF	13.16	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A3305

Deuteranopia (green-blind)

#342F10

Tritanopia (blue-blind)

#003730

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #04390b;
/* rgb */ color: rgb(4, 57, 11);
/* oklch */ color: oklch(30.1% 0.091 144.7);

Tailwind

colors: {
  custom: {
    50: '#50704d',
    500: '#04390b',
    950: '#000000',
  },
}

SCSS

$custom: #04390b;
$custom-light: #50704d;
$custom-dark: #000000;

JSON

{
  "hex": "#04390b",
  "rgb": {
    "r": 4,
    "g": 57,
    "b": 11
  },
  "hsl": {
    "h": 127.925,
    "s": 86.885,
    "l": 11.961
  },
  "oklch": {
    "l": 0.30086,
    "c": 0.09101,
    "h": 144.7
  },
  "luminance": 0.02976
}

Semantic roles & 50–950 ramp

primary

#04390B

secondary

#7B1E6F

accent

#2BE1FD

background

#F4F6F4

surface

#E7ECE7

border

#C3C7C3

text

#020701

muted

#787A77

Preview Lab

Preview with #04390B

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

Preview Lab → · Contrast checker → · Palette generator →