#183B1E#183B1E

#183B1E is a dark, moderate green. Relative luminance 0.034; OKLCH L 31.8% C 0.065 H 147.5°. Best body text is #FFFFFF at 12.48:1 contrast (WCAG AA passes).

Color values

HEX#183B1E
RGBrgb(24, 59, 30)
HSLhsl(130, 42%, 16%)
HSVhsv(130, 59%, 23%)
CMYKcmyk(59.3%, 0%, 49.2%, 76.9%)
CIE-LABlab(21.64, -20.28, 14.20)
CIE-LCHlch(21.64, 24.76, 145.00°)
OKLaboklab(31.75% -0.055 0.035)
OKLCHoklch(31.75% 0.065 147.5)
XYZxyz(2.1749, 3.4157, 1.7727)
Luminance0.0342 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#183B1E #3B1835
analogous
#243B18 #183B1E #183B30
triadic
#183B1E #1E183B #3B1E18
tetradic
#183B1E #18243B #3B1835 #3B3018
square
#183B1E #18243B #3B1835 #3B3018
split-complementary
#183B1E #30183B #3B1824
monochromatic
#09160B #09160B #183B1E #2A6734 #3B924A

Accessibility & contrast

On white

12.48
#183B1E on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.68
#183B1E on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183B1E
12.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##183B1E#FFFFFF#000000##FFFFFF
##183B1E1.0012.481.6812.48
#FFFFFF12.481.0021.001.00
#0000001.6821.001.0021.00
##FFFFFF12.481.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3C361C
Deuteranopia (green-blind)
#373320
Tritanopia (blue-blind)
#113A34
Achromatopsia (no color)
#343434

Design tokens & code

CSS
--color: #183b1e;
/* rgb */ color: rgb(24, 59, 30);
/* oklch */ color: oklch(31.8% 0.065 147.5);
Tailwind
colors: {
  custom: {
    50: '#58715a',
    500: '#183b1e',
    950: '#000000',
  },
}
SCSS
$custom: #183b1e;
$custom-light: #58715a;
$custom-dark: #000000;
JSON
{
  "hex": "#183b1e",
  "rgb": {
    "r": 24,
    "g": 59,
    "b": 30
  },
  "hsl": {
    "h": 130.286,
    "s": 42.169,
    "l": 16.275
  },
  "oklch": {
    "l": 0.31751,
    "c": 0.06519,
    "h": 147.5
  },
  "luminance": 0.03416
}

Semantic roles & 50–950 ramp

primary
#183B1E
secondary
#713E68
accent
#56BDD2
background
#F5F6F5
surface
#E9ECE9
border
#C5C7C5
text
#030703
muted
#787A78

Preview Lab

Preview with #183B1E

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

Preview Lab → · Contrast checker → · Palette generator →

#183B1E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva