#183D37#183D37

#183D37 is a dark, muted teal. Relative luminance 0.038; OKLCH L 33.1% C 0.044 H 181.4°. Best body text is #FFFFFF at 11.92:1 contrast (WCAG AA passes).

Color values

HEX#183D37
RGBrgb(24, 61, 55)
HSLhsl(170, 44%, 17%)
HSVhsv(170, 61%, 24%)
CMYKcmyk(60.7%, 0%, 9.8%, 76.1%)
CIE-LABlab(23.02, -14.99, -0.32)
CIE-LCHlch(23.02, 15.00, 181.21°)
OKLaboklab(33.09% -0.0438 -0.0011)
OKLCHoklch(33.09% 0.044 181.4)
XYZxyz(2.7347, 3.8073, 4.2044)
Luminance0.0381 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#183D37 #3D181E
analogous
#183D25 #183D37 #18313D
triadic
#183D37 #37183D #3D3718
tetradic
#183D37 #25183D #3D181E #313D18
square
#183D37 #25183D #3D181E #313D18
split-complementary
#183D37 #3D1831 #3D2518
monochromatic
#091614 #091614 #183D37 #29695F #3B9586

Accessibility & contrast

On white

11.92
#183D37 on #FFFFFF
AA ✓AA large ✓AAA ✓

On black

1.76
#183D37 on #000000
AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #183D37
11.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##183D37#FFFFFF#000000##FFFFFF
##183D371.0011.921.7611.92
#FFFFFF11.921.0021.001.00
#0000001.7621.001.0021.00
##FFFFFF11.921.0021.001.00

Color blindness preview

Protanopia (red-blind)
#3A3937
Deuteranopia (green-blind)
#343538
Tritanopia (blue-blind)
#033E3B
Achromatopsia (no color)
#373737

Design tokens & code

CSS
--color: #183d37;
/* rgb */ color: rgb(24, 61, 55);
/* oklch */ color: oklch(33.1% 0.044 181.4);
Tailwind
colors: {
  custom: {
    50: '#59726d',
    500: '#183d37',
    950: '#000000',
  },
}
SCSS
$custom: #183d37;
$custom-light: #59726d;
$custom-dark: #000000;
JSON
{
  "hex": "#183d37",
  "rgb": {
    "r": 24,
    "g": 61,
    "b": 55
  },
  "hsl": {
    "h": 170.27,
    "s": 43.529,
    "l": 16.667
  },
  "oklch": {
    "l": 0.33092,
    "c": 0.04382,
    "h": 181.4
  },
  "luminance": 0.03808
}

Semantic roles & 50–950 ramp

primary
#183D37
secondary
#733D46
accent
#5569D3
background
#F5F6F6
surface
#E9ECEB
border
#C5C7C6
text
#040807
muted
#797B7A

Preview Lab

Preview with #183D37

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

Preview Lab → · Contrast checker → · Palette generator →

#183D37 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva