#04370A#04370A

#04370A is a dark, moderate green. Relative luminance 0.028; OKLCH L 29.4% C 0.089 H 144.5°. Best body text is #FFFFFF at 13.50:1 contrast (WCAG AA passes).

Color values

HEX	#04370A
RGB	rgb(4, 55, 10)
HSL	hsl(127, 86%, 12%)
HSV	hsv(127, 93%, 22%)
CMYK	cmyk(92.7%, 0%, 81.8%, 78.4%)
CIE-LAB	lab(19.14, -26.87, 22.33)
CIE-LCH	lch(19.14, 34.93, 140.27°)
OKLab	oklab(29.41% -0.0725 0.0517)
OKLCH	oklch(29.41% 0.089 144.5)
XYZ	xyz(1.4709, 2.7799, 0.7462)
Luminance	0.0278 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 5.36

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04370A #370431

analogous

#183704 #04370A #043724

triadic

#04370A #0A0437 #370A04

tetradic

#04370A #041837 #370431 #372404

square

#04370A #041837 #370431 #372404

split-complementary

#04370A #240437 #370418

monochromatic

#021D05 #021D05 #04370A #087014 #0CA91F

Accessibility & contrast

On white

13.50

#04370A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#04370A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04370A

13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04370A	#FFFFFF	#000000	##FFFFFF
##04370A	1.00	13.50	1.56	13.50
#FFFFFF	13.50	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383104

Deuteranopia (green-blind)

#332D0E

Tritanopia (blue-blind)

#00352E

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #04370a;
/* rgb */ color: rgb(4, 55, 10);
/* oklch */ color: oklch(29.4% 0.089 144.5);

Tailwind

colors: {
  custom: {
    50: '#4f6e4c',
    500: '#04370a',
    950: '#000000',
  },
}

SCSS

$custom: #04370a;
$custom-light: #4f6e4c;
$custom-dark: #000000;

JSON

{
  "hex": "#04370a",
  "rgb": {
    "r": 4,
    "g": 55,
    "b": 10
  },
  "hsl": {
    "h": 127.059,
    "s": 86.441,
    "l": 11.569
  },
  "oklch": {
    "l": 0.29412,
    "c": 0.08907,
    "h": 144.5
  },
  "luminance": 0.0278
}

Semantic roles & 50–950 ramp

primary

#04370A

secondary

#791E6E

accent

#2BE4FD

background

#F4F6F4

surface

#E7ECE7

border

#C3C7C3

text

#020701

muted

#787A77

Preview Lab

Preview with #04370A

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

Preview Lab → · Contrast checker → · Palette generator →