#183E1F#183E1F

#183E1F is a dark, moderate green. Relative luminance 0.037; OKLCH L 32.7% C 0.069 H 147.7°. Best body text is #FFFFFF at 12.02:1 contrast (WCAG AA passes).

Color values

HEX#183E1F
RGBrgb(24, 62, 31)
HSLhsl(131, 44%, 17%)
HSVhsv(131, 61%, 24%)
CMYKcmyk(61.3%, 0%, 50%, 75.7%)
CIE-LABlab(22.79, -21.59, 15.05)
CIE-LCHlch(22.79, 26.32, 145.12°)
OKLaboklab(32.7% -0.0585 0.037)
OKLCHoklch(32.7% 0.069 147.7)
XYZxyz(2.3465, 3.7382, 1.8939)
Luminance0.0374 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#183E1F #3E1837
analogous
#243E18 #183E1F #183E32
triadic
#183E1F #1F183E #3E1F18
tetradic
#183E1F #18243E #3E1837 #3E3218
square
#183E1F #18243E #3E1837 #3E3218
split-complementary
#183E1F #32183E #3E1824
monochromatic
#09160B #09160B #183E1F #296A35 #3A964B

Accessibility & contrast

On white

12.02
#183E1F on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.75
#183E1F on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183E1F
12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##183E1F#FFFFFF#000000##FFFFFF
##183E1F1.0012.021.7512.02
#FFFFFF12.021.0021.001.00
#0000001.7521.001.0021.00
##FFFFFF12.021.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3F391D
Deuteranopia (green-blind)
#3A3521
Tritanopia (blue-blind)
#103D36
Achromatopsia (no color)
#363636

Design tokens & code

CSS
--color: #183e1f;
/* rgb */ color: rgb(24, 62, 31);
/* oklch */ color: oklch(32.7% 0.069 147.7);
Tailwind
colors: {
  custom: {
    50: '#59735b',
    500: '#183e1f',
    950: '#000000',
  },
}
SCSS
$custom: #183e1f;
$custom-light: #59735b;
$custom-dark: #000000;
JSON
{
  "hex": "#183e1f",
  "rgb": {
    "r": 24,
    "g": 62,
    "b": 31
  },
  "hsl": {
    "h": 131.053,
    "s": 44.186,
    "l": 16.863
  },
  "oklch": {
    "l": 0.32698,
    "c": 0.06923,
    "h": 147.7
  },
  "luminance": 0.03738
}

Semantic roles & 50–950 ramp

primary
#183E1F
secondary
#743D6A
accent
#54BCD4
background
#F5F7F5
surface
#E9EDE9
border
#C5C8C5
text
#040804
muted
#797B79

Preview Lab

Preview with #183E1F

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

Preview Lab → · Contrast checker → · Palette generator →

#183E1F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva