#043B1B#043B1B

#043B1B is a dark, moderate green. Relative luminance 0.032; OKLCH L 31.0% C 0.078 H 151.8°. Best body text is #FFFFFF at 12.75:1 contrast (WCAG AA passes).

Color values

HEX	#043B1B
RGB	rgb(4, 59, 27)
HSL	hsl(145, 87%, 12%)
HSV	hsv(145, 93%, 23%)
CMYK	cmyk(93.2%, 0%, 54.2%, 76.9%)
CIE-LAB	lab(20.95, -25.71, 15.08)
CIE-LCH	lch(20.95, 29.81, 149.61°)
OKLab	oklab(30.99% -0.069 0.0369)
OKLCH	oklch(30.99% 0.078 151.8)
XYZ	xyz(1.8117, 3.2326, 1.5652)
Luminance	0.0323 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Hunter Green (survey)

#0B4008

ΔE00 6.05

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#043B1B #3B0424

analogous

#083B04 #043B1B #043B37

triadic

#043B1B #1B043B #3B1B04

tetradic

#043B1B #04083B #3B0424 #3B3704

square

#043B1B #04083B #3B0424 #3B3704

split-complementary

#043B1B #37043B #3B0408

monochromatic

#021D0D #021D0D #043B1B #087435 #0CAE4F

Accessibility & contrast

On white

12.75

#043B1B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#043B1B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043B1B

12.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##043B1B	#FFFFFF	#000000	##FFFFFF
##043B1B	1.00	12.75	1.65	12.75
#FFFFFF	12.75	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3B3518

Deuteranopia (green-blind)

#35311D

Tritanopia (blue-blind)

#003A33

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #043b1b;
/* rgb */ color: rgb(4, 59, 27);
/* oklch */ color: oklch(31.0% 0.078 151.8);

Tailwind

colors: {
  custom: {
    50: '#507158',
    500: '#043b1b',
    950: '#000000',
  },
}

SCSS

$custom: #043b1b;
$custom-light: #507158;
$custom-dark: #000000;

JSON

{
  "hex": "#043b1b",
  "rgb": {
    "r": 4,
    "g": 59,
    "b": 27
  },
  "hsl": {
    "h": 145.091,
    "s": 87.302,
    "l": 12.353
  },
  "oklch": {
    "l": 0.3099,
    "c": 0.07826,
    "h": 151.8
  },
  "luminance": 0.03233
}

Semantic roles & 50–950 ramp

primary

#043B1B

secondary

#7D1E55

accent

#2AA5FD

background

#F4F6F5

surface

#E7ECE9

border

#C3C7C5

text

#020803

muted

#787B78

Preview Lab

Preview with #043B1B

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

Preview Lab → · Contrast checker → · Palette generator →