#04370B#04370B

#04370B is a dark, moderate green. Relative luminance 0.028; OKLCH L 29.4% C 0.088 H 144.8°. Best body text is #FFFFFF at 13.49:1 contrast (WCAG AA passes).

Color values

HEX	#04370B
RGB	rgb(4, 55, 11)
HSL	hsl(128, 86%, 12%)
HSV	hsv(128, 93%, 22%)
CMYK	cmyk(92.7%, 0%, 80%, 78.4%)
CIE-LAB	lab(19.15, -26.75, 21.92)
CIE-LCH	lch(19.15, 34.58, 140.66°)
OKLab	oklab(29.42% -0.0722 0.0509)
OKLCH	oklch(29.42% 0.088 144.8)
XYZ	xyz(1.4766, 2.7822, 0.7757)
Luminance	0.0278 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04370B #370430

analogous

#173704 #04370B #043725

triadic

#04370B #0B0437 #370B04

tetradic

#04370B #041737 #370430 #372504

square

#04370B #041737 #370430 #372504

split-complementary

#04370B #250437 #370417

monochromatic

#021D06 #021D06 #04370B #087016 #0CA922

Accessibility & contrast

On white

13.49

#04370B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#04370B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04370B

13.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04370B	#FFFFFF	#000000	##FFFFFF
##04370B	1.00	13.49	1.56	13.49
#FFFFFF	13.49	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#383106

Deuteranopia (green-blind)

#332D0F

Tritanopia (blue-blind)

#00352E

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #04370b;
/* rgb */ color: rgb(4, 55, 11);
/* oklch */ color: oklch(29.4% 0.088 144.8);

Tailwind

colors: {
  custom: {
    50: '#4f6e4d',
    500: '#04370b',
    950: '#000000',
  },
}

SCSS

$custom: #04370b;
$custom-light: #4f6e4d;
$custom-dark: #000000;

JSON

{
  "hex": "#04370b",
  "rgb": {
    "r": 4,
    "g": 55,
    "b": 11
  },
  "hsl": {
    "h": 128.235,
    "s": 86.441,
    "l": 11.569
  },
  "oklch": {
    "l": 0.29423,
    "c": 0.08827,
    "h": 144.8
  },
  "luminance": 0.02782
}

Semantic roles & 50–950 ramp

primary

#04370B

secondary

#791E6D

accent

#2BE0FD

background

#F4F6F4

surface

#E7ECE7

border

#C3C7C3

text

#020701

muted

#787A77

Preview Lab

Preview with #04370B

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

Preview Lab → · Contrast checker → · Palette generator →