#183B19#183B19

#183B19 is a dark, moderate green. Relative luminance 0.034; OKLCH L 31.7% C 0.071 H 144.2°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX#183B19
RGBrgb(24, 59, 25)
HSLhsl(122, 42%, 16%)
HSVhsv(122, 59%, 23%)
CMYKcmyk(59.3%, 0%, 57.6%, 76.9%)
CIE-LABlab(21.55, -21.20, 17.20)
CIE-LCHlch(21.55, 27.30, 140.95°)
OKLaboklab(31.65% -0.0576 0.0415)
OKLCHoklch(31.65% 0.071 144.2)
XYZxyz(2.1160, 3.3921, 1.4628)
Luminance0.0339 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#183B19 #3B183A
analogous
#293B18 #183B19 #183B2B
triadic
#183B19 #19183B #3B1918
tetradic
#183B19 #18293B #3B183A #3B2B18
square
#183B19 #18293B #3B183A #3B2B18
split-complementary
#183B19 #2B183B #3B1829
monochromatic
#091609 #091609 #183B19 #2A672B #3B923E

Accessibility & contrast

On white

12.51
#183B19 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.68
#183B19 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183B19
12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##183B19#FFFFFF#000000##FFFFFF
##183B191.0012.511.6812.51
#FFFFFF12.511.0021.001.00
#0000001.6821.001.0021.00
##FFFFFF12.511.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3C3616
Deuteranopia (green-blind)
#37321B
Tritanopia (blue-blind)
#133933
Achromatopsia (no color)
#343434

Design tokens & code

CSS
--color: #183b19;
/* rgb */ color: rgb(24, 59, 25);
/* oklch */ color: oklch(31.7% 0.071 144.2);
Tailwind
colors: {
  custom: {
    50: '#587156',
    500: '#183b19',
    950: '#000000',
  },
}
SCSS
$custom: #183b19;
$custom-light: #587156;
$custom-dark: #000000;
JSON
{
  "hex": "#183b19",
  "rgb": {
    "r": 24,
    "g": 59,
    "b": 25
  },
  "hsl": {
    "h": 121.714,
    "s": 42.169,
    "l": 16.275
  },
  "oklch": {
    "l": 0.31651,
    "c": 0.07102,
    "h": 144.2
  },
  "luminance": 0.03392
}

Semantic roles & 50–950 ramp

primary
#183B19
secondary
#713E70
accent
#56CED2
background
#F5F6F5
surface
#E9ECE9
border
#C5C7C5
text
#030703
muted
#787A78

Preview Lab

Preview with #183B19

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

Preview Lab → · Contrast checker → · Palette generator →

#183B19 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva