#183C1F#183C1F

#183C1F is a dark, moderate green. Relative luminance 0.035; OKLCH L 32.1% C 0.066 H 148.1°. Best body text is #FFFFFF at 12.32:1 contrast (WCAG AA passes).

Color values

HEX#183C1F
RGBrgb(24, 60, 31)
HSLhsl(132, 43%, 16%)
HSVhsv(132, 60%, 24%)
CMYKcmyk(60%, 0%, 48.3%, 76.5%)
CIE-LABlab(22.03, -20.59, 14.08)
CIE-LCHlch(22.03, 24.94, 145.63°)
OKLaboklab(32.08% -0.0558 0.0348)
OKLCHoklch(32.08% 0.066 148.1)
XYZxyz(2.2397, 3.5247, 1.8584)
Luminance0.0352 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#183C1F #3C1835
analogous
#233C18 #183C1F #183C31
triadic
#183C1F #1F183C #3C1F18
tetradic
#183C1F #18233C #3C1835 #3C3118
square
#183C1F #18233C #3C1835 #3C3118
split-complementary
#183C1F #31183C #3C1823
monochromatic
#09160B #09160B #183C1F #296836 #3B934C

Accessibility & contrast

On white

12.32
#183C1F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.70
#183C1F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183C1F
12.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##183C1F#FFFFFF#000000##FFFFFF
##183C1F1.0012.321.7012.32
#FFFFFF12.321.0021.001.00
#0000001.7021.001.0021.00
##FFFFFF12.321.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3D371D
Deuteranopia (green-blind)
#383321
Tritanopia (blue-blind)
#113B35
Achromatopsia (no color)
#353535

Design tokens & code

CSS
--color: #183c1f;
/* rgb */ color: rgb(24, 60, 31);
/* oklch */ color: oklch(32.1% 0.066 148.1);
Tailwind
colors: {
  custom: {
    50: '#58725b',
    500: '#183c1f',
    950: '#000000',
  },
}
SCSS
$custom: #183c1f;
$custom-light: #58725b;
$custom-dark: #000000;
JSON
{
  "hex": "#183c1f",
  "rgb": {
    "r": 24,
    "g": 60,
    "b": 31
  },
  "hsl": {
    "h": 131.667,
    "s": 42.857,
    "l": 16.471
  },
  "oklch": {
    "l": 0.32081,
    "c": 0.06577,
    "h": 148.1
  },
  "luminance": 0.03525
}

Semantic roles & 50–950 ramp

primary
#183C1F
secondary
#723E68
accent
#55BAD3
background
#F5F6F5
surface
#E9ECE9
border
#C5C7C5
text
#030804
muted
#787B79

Preview Lab

Preview with #183C1F

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

Preview Lab → · Contrast checker → · Palette generator →

#183C1F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva