#183E2A#183E2A

#183E2A is a dark, muted green. Relative luminance 0.038; OKLCH L 33.0% C 0.057 H 158.1°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX#183E2A
RGBrgb(24, 62, 42)
HSLhsl(148, 44%, 17%)
HSVhsv(148, 61%, 24%)
CMYKcmyk(61.3%, 0%, 32.3%, 75.7%)
CIE-LABlab(23.02, -19.16, 8.30)
CIE-LCHlch(23.02, 20.88, 156.58°)
OKLaboklab(32.97% -0.0524 0.0211)
OKLCHoklch(32.97% 0.057 158.1)
XYZxyz(2.5170, 3.8064, 2.7921)
Luminance0.0381 (WCAG relative)
Temperatureneutral
Familygreen

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#183E2A #3E182C
analogous
#193E18 #183E2A #183E3D
triadic
#183E2A #2A183E #3E2A18
tetradic
#183E2A #18193E #3E182C #3E3D18
square
#183E2A #18193E #3E182C #3E3D18
split-complementary
#183E2A #3D183E #3E1819
monochromatic
#09160F #09160F #183E2A #296A48 #3A9666

Accessibility & contrast

On white

11.92
#183E2A on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.76
#183E2A on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183E2A
11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##183E2A#FFFFFF#000000##FFFFFF
##183E2A1.0011.921.7611.92
#FFFFFF11.921.0021.001.00
#0000001.7621.001.0021.00
##FFFFFF11.921.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3D3929
Deuteranopia (green-blind)
#38352B
Tritanopia (blue-blind)
#0C3E39
Achromatopsia (no color)
#373737

Design tokens & code

CSS
--color: #183e2a;
/* rgb */ color: rgb(24, 62, 42);
/* oklch */ color: oklch(33.0% 0.057 158.1);
Tailwind
colors: {
  custom: {
    50: '#597363',
    500: '#183e2a',
    950: '#000000',
  },
}
SCSS
$custom: #183e2a;
$custom-light: #597363;
$custom-dark: #000000;
JSON
{
  "hex": "#183e2a",
  "rgb": {
    "r": 24,
    "g": 62,
    "b": 42
  },
  "hsl": {
    "h": 148.421,
    "s": 44.186,
    "l": 16.863
  },
  "oklch": {
    "l": 0.32967,
    "c": 0.05654,
    "h": 158.1
  },
  "luminance": 0.03807
}

Semantic roles & 50–950 ramp

primary
#183E2A
secondary
#743D5A
accent
#5497D4
background
#F5F7F5
surface
#E9EDEA
border
#C5C8C6
text
#030805
muted
#787B79

Preview Lab

Preview with #183E2A

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

Preview Lab → · Contrast checker → · Palette generator →

#183E2A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva