#183D2B#183D2B

#183D2B is a dark, muted teal. Relative luminance 0.037; OKLCH L 32.7% C 0.054 H 160.1°. Best body text is #FFFFFF at 12.06:1 contrast (WCAG AA passes).

Color values

HEX#183D2B
RGBrgb(24, 61, 43)
HSLhsl(151, 44%, 17%)
HSVhsv(151, 61%, 24%)
CMYKcmyk(60.7%, 0%, 29.5%, 76.1%)
CIE-LABlab(22.67, -18.37, 7.16)
CIE-LCHlch(22.67, 19.72, 158.71°)
OKLaboklab(32.69% -0.0505 0.0183)
OKLCHoklch(32.69% 0.054 160.1)
XYZxyz(2.4813, 3.7059, 2.8696)
Luminance0.0371 (WCAG relative)
Temperatureneutral
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#183D2B #3D182A
analogous
#183D19 #183D2B #183D3D
triadic
#183D2B #2B183D #3D2B18
tetradic
#183D2B #19183D #3D182A #3D3D18
square
#183D2B #19183D #3D182A #3D3D18
split-complementary
#183D2B #3D183D #3D1918
monochromatic
#09160F #09160F #183D2B #29694A #3B9569

Accessibility & contrast

On white

12.06
#183D2B on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.74
#183D2B on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183D2B
12.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##183D2B#FFFFFF#000000##FFFFFF
##183D2B1.0012.061.7412.06
#FFFFFF12.061.0021.001.00
#0000001.7421.001.0021.00
##FFFFFF12.061.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3C382A
Deuteranopia (green-blind)
#37352C
Tritanopia (blue-blind)
#0C3D38
Achromatopsia (no color)
#363636

Design tokens & code

CSS
--color: #183d2b;
/* rgb */ color: rgb(24, 61, 43);
/* oklch */ color: oklch(32.7% 0.054 160.1);
Tailwind
colors: {
  custom: {
    50: '#587364',
    500: '#183d2b',
    950: '#000000',
  },
}
SCSS
$custom: #183d2b;
$custom-light: #587364;
$custom-dark: #000000;
JSON
{
  "hex": "#183d2b",
  "rgb": {
    "r": 24,
    "g": 61,
    "b": 43
  },
  "hsl": {
    "h": 150.811,
    "s": 43.529,
    "l": 16.667
  },
  "oklch": {
    "l": 0.32693,
    "c": 0.05373,
    "h": 160.1
  },
  "luminance": 0.03706
}

Semantic roles & 50–950 ramp

primary
#183D2B
secondary
#733D58
accent
#5592D3
background
#F5F6F5
surface
#E9ECEA
border
#C5C7C6
text
#030805
muted
#787B79

Preview Lab

Preview with #183D2B

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

Preview Lab → · Contrast checker → · Palette generator →

#183D2B Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva