#04380B#04380B

#04380B is a dark, moderate green. Relative luminance 0.029; OKLCH L 29.8% C 0.090 H 144.7°. Best body text is #FFFFFF at 13.33:1 contrast (WCAG AA passes).

Color values

HEX	#04380B
RGB	rgb(4, 56, 11)
HSL	hsl(128, 87%, 12%)
HSV	hsv(128, 93%, 22%)
CMYK	cmyk(92.9%, 0%, 80.4%, 78%)
CIE-LAB	lab(19.55, -27.13, 22.38)
CIE-LCH	lch(19.55, 35.17, 140.48°)
OKLab	oklab(29.76% -0.0732 0.0518)
OKLCH	oklch(29.76% 0.09 144.7)
XYZ	xyz(1.5245, 2.8781, 0.7917)
Luminance	0.0288 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

Forest Green (survey)

#06470C

ΔE00 5.09

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#04380B #380431

analogous

#173804 #04380B #043825

triadic

#04380B #0B0438 #380B04

tetradic

#04380B #041738 #380431 #382504

square

#04380B #041738 #380431 #382504

split-complementary

#04380B #250438 #380417

monochromatic

#021D06 #021D06 #04380B #087116 #0CAA21

Accessibility & contrast

On white

13.33

#04380B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#04380B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #04380B

13.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##04380B	#FFFFFF	#000000	##FFFFFF
##04380B	1.00	13.33	1.58	13.33
#FFFFFF	13.33	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.33	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#393205

Deuteranopia (green-blind)

#332E0F

Tritanopia (blue-blind)

#00362F

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #04380b;
/* rgb */ color: rgb(4, 56, 11);
/* oklch */ color: oklch(29.8% 0.090 144.7);

Tailwind

colors: {
  custom: {
    50: '#4f6f4d',
    500: '#04380b',
    950: '#000000',
  },
}

SCSS

$custom: #04380b;
$custom-light: #4f6f4d;
$custom-dark: #000000;

JSON

{
  "hex": "#04380b",
  "rgb": {
    "r": 4,
    "g": 56,
    "b": 11
  },
  "hsl": {
    "h": 128.077,
    "s": 86.667,
    "l": 11.765
  },
  "oklch": {
    "l": 0.29755,
    "c": 0.08965,
    "h": 144.7
  },
  "luminance": 0.02878
}

Semantic roles & 50–950 ramp

primary

#04380B

secondary

#7A1E6E

accent

#2BE1FD

background

#F4F6F4

surface

#E7ECE7

border

#C3C7C3

text

#020701

muted

#787A77

Preview Lab

Preview with #04380B

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

Preview Lab → · Contrast checker → · Palette generator →