#043F1B#043F1B

#043F1B is a dark, moderate green. Relative luminance 0.037; OKLCH L 32.3% C 0.084 H 150.6°. Best body text is #FFFFFF at 12.12:1 contrast (WCAG AA passes).

Color values

HEX#043F1B
RGBrgb(4, 63, 27)
HSLhsl(143, 88%, 13%)
HSVhsv(143, 94%, 25%)
CMYKcmyk(93.7%, 0%, 57.1%, 75.3%)
CIE-LABlab(22.51, -27.39, 17.05)
CIE-LCHlch(22.51, 32.26, 148.10°)
OKLaboklab(32.28% -0.0734 0.0414)
OKLCHoklch(32.28% 0.084 150.6)
XYZxyz(2.0252, 3.6597, 1.6364)
Luminance0.0366 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#043F1B #3F0428
analogous
#0A3F04 #043F1B #043F38
triadic
#043F1B #1B043F #3F1B04
tetradic
#043F1B #040A3F #3F0428 #3F3804
square
#043F1B #040A3F #3F0428 #3F3804
split-complementary
#043F1B #38043F #3F040A
monochromatic
#021D0C #021D0C #043F1B #087934 #0BB24C

Accessibility & contrast

On white

12.12
#043F1B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.73
#043F1B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #043F1B
12.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##043F1B#FFFFFF#000000##FFFFFF
##043F1B1.0012.121.7312.12
#FFFFFF12.121.0021.001.00
#0000001.7321.001.0021.00
##FFFFFF12.121.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3F3918
Deuteranopia (green-blind)
#39341E
Tritanopia (blue-blind)
#003E37
Achromatopsia (no color)
#363636

Design tokens & code

CSS
--color: #043f1b;
/* rgb */ color: rgb(4, 63, 27);
/* oklch */ color: oklch(32.3% 0.084 150.6);
Tailwind
colors: {
  custom: {
    50: '#517558',
    500: '#043f1b',
    950: '#000000',
  },
}
SCSS
$custom: #043f1b;
$custom-light: #517558;
$custom-dark: #000000;
JSON
{
  "hex": "#043f1b",
  "rgb": {
    "r": 4,
    "g": 63,
    "b": 27
  },
  "hsl": {
    "h": 143.39,
    "s": 88.06,
    "l": 13.137
  },
  "oklch": {
    "l": 0.32283,
    "c": 0.0843,
    "h": 150.6
  },
  "luminance": 0.0366
}

Semantic roles & 50–950 ramp

primary
#043F1B
secondary
#801E5A
accent
#2AABFE
background
#F4F7F5
surface
#E7EDE9
border
#C3C8C5
text
#020803
muted
#787B78

Preview Lab

Preview with #043F1B

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

Preview Lab → · Contrast checker → · Palette generator →

#043F1B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva