#183A0B#183A0B

#183A0B is a dark, moderate green. Relative luminance 0.032; OKLCH L 31.1% C 0.083 H 138.5°. Best body text is #FFFFFF at 12.74:1 contrast (WCAG AA passes).

Color values

HEX#183A0B
RGBrgb(24, 58, 11)
HSLhsl(103, 68%, 14%)
HSVhsv(103, 81%, 23%)
CMYKcmyk(58.6%, 0%, 81%, 77.3%)
CIE-LABlab(21.00, -22.59, 24.19)
CIE-LCHlch(21.00, 33.09, 133.04°)
OKLaboklab(31.14% -0.0623 0.0552)
OKLCHoklch(31.14% 0.083 138.5)
XYZxyz(1.9501, 3.2443, 0.8400)
Luminance0.0324 (WCAG relative)
Temperaturewarm
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#183A0B #2D0B3A
analogous
#2F3A0B #183A0B #0B3A15
triadic
#183A0B #0B183A #3A0B18
tetradic
#183A0B #0B2F3A #2D0B3A #3A150B
square
#183A0B #0B2F3A #2D0B3A #3A150B
split-complementary
#183A0B #150B3A #3A0B2F
monochromatic
#0B1A05 #0B1A05 #183A0B #2D6D15 #43A11F

Accessibility & contrast

On white

12.74
#183A0B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.65
#183A0B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183A0B
12.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##183A0B#FFFFFF#000000##FFFFFF
##183A0B1.0012.741.6512.74
#FFFFFF12.741.0021.001.00
#0000001.6521.001.0021.00
##FFFFFF12.741.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3C3405
Deuteranopia (green-blind)
#38310F
Tritanopia (blue-blind)
#153831
Achromatopsia (no color)
#323232

Design tokens & code

CSS
--color: #183a0b;
/* rgb */ color: rgb(24, 58, 11);
/* oklch */ color: oklch(31.1% 0.083 138.5);
Tailwind
colors: {
  custom: {
    50: '#59704d',
    500: '#183a0b',
    950: '#000000',
  },
}
SCSS
$custom: #183a0b;
$custom-light: #59704d;
$custom-dark: #000000;
JSON
{
  "hex": "#183a0b",
  "rgb": {
    "r": 24,
    "g": 58,
    "b": 11
  },
  "hsl": {
    "h": 103.404,
    "s": 68.116,
    "l": 13.529
  },
  "oklch": {
    "l": 0.31141,
    "c": 0.08324,
    "h": 138.5
  },
  "luminance": 0.03244
}

Semantic roles & 50–950 ramp

primary
#183A0B
secondary
#622A77
accent
#3DEBBB
background
#F5F6F4
surface
#E9ECE7
border
#C5C7C3
text
#040701
muted
#797A77

Preview Lab

Preview with #183A0B

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

Preview Lab → · Contrast checker → · Palette generator →

#183A0B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva