#178C8D#178C8D

#178C8D is a mid, moderate teal. Relative luminance 0.209; OKLCH L 58.2% C 0.095 H 195.8°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX#178C8D
RGBrgb(23, 140, 141)
HSLhsl(181, 72%, 32%)
HSVhsv(181, 84%, 55%)
CMYKcmyk(83.7%, 0.7%, 0%, 44.7%)
CIE-LABlab(52.80, -29.14, -9.25)
CIE-LCHlch(52.80, 30.57, 197.62°)
OKLaboklab(58.21% -0.0911 -0.0258)
OKLCHoklch(58.21% 0.095 195.8)
XYZxyz(14.5369, 20.8596, 28.4543)
Luminance0.2086 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#178C8D #8D1817
analogous
#178D53 #178C8D #17518D
triadic
#178C8D #8D178C #8C8D17
tetradic
#178C8D #53178D #8D1817 #518D17
square
#178C8D #53178D #8D1817 #518D17
split-complementary
#178C8D #8D1751 #8D5317
monochromatic
#062424 #0E5858 #178C8D #20C0C2 #3FDEE0

Accessibility & contrast

On white

4.06
#178C8D on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.17
#178C8D on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178C8D
5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##178C8D#FFFFFF#000000##000000
##178C8D1.004.065.175.17
#FFFFFF4.061.0021.0021.00
#0000005.1721.001.001.00
##0000005.1721.001.001.00

Color blindness preview

Protanopia (red-blind)
#82858D
Deuteranopia (green-blind)
#72798E
Tritanopia (blue-blind)
#00918C
Achromatopsia (no color)
#7E7E7E

Design tokens & code

CSS
--color: #178c8d;
/* rgb */ color: rgb(23, 140, 141);
/* oklch */ color: oklch(58.2% 0.095 195.8);
Tailwind
colors: {
  custom: {
    50: '#6eaeae',
    500: '#178c8d',
    950: '#000000',
  },
}
SCSS
$custom: #178c8d;
$custom-light: #6eaeae;
$custom-dark: #000000;
JSON
{
  "hex": "#178c8d",
  "rgb": {
    "r": 23,
    "g": 140,
    "b": 141
  },
  "hsl": {
    "h": 180.508,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.58213,
    "c": 0.09462,
    "h": 195.8
  },
  "luminance": 0.20861
}

Semantic roles & 50–950 ramp

primary
#178C8D
secondary
#C04140
accent
#3B39EF
background
#F7FAFA
surface
#EDF4F4
border
#C8CECE
text
#081010
muted
#7B7F7F

Preview Lab

Preview with #178C8D

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

Preview Lab → · Contrast checker → · Palette generator →

#178C8D Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva