#178F8E#178F8E

#178F8E is a mid, moderate teal. Relative luminance 0.218; OKLCH L 59.0% C 0.096 H 194.0°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX#178F8E
RGBrgb(23, 143, 142)
HSLhsl(180, 72%, 33%)
HSVhsv(180, 84%, 56%)
CMYKcmyk(83.9%, 0%, 0.7%, 43.9%)
CIE-LABlab(53.79, -30.29, -8.34)
CIE-LCHlch(53.79, 31.41, 195.41°)
OKLaboklab(59.03% -0.0936 -0.0232)
OKLCHoklch(59.03% 0.096 194)
XYZxyz(15.0560, 21.7781, 28.9960)
Luminance0.2178 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#178F8E #8F1718
analogous
#178F52 #178F8E #17548F
triadic
#178F8E #8E178F #8F8E17
tetradic
#178F8E #52178F #8F1718 #548F17
square
#178F8E #52178F #8F1718 #548F17
split-complementary
#178F8E #8F1754 #8F5217
monochromatic
#062625 #0F5A5A #178F8E #1FC4C2 #40E0DF

Accessibility & contrast

On white

3.92
#178F8E on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.36
#178F8E on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178F8E
5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##178F8E#FFFFFF#000000##000000
##178F8E1.003.925.365.36
#FFFFFF3.921.0021.0021.00
#0000005.3621.001.001.00
##0000005.3621.001.001.00

Color blindness preview

Protanopia (red-blind)
#85878E
Deuteranopia (green-blind)
#757C8F
Tritanopia (blue-blind)
#00948E
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #178f8e;
/* rgb */ color: rgb(23, 143, 142);
/* oklch */ color: oklch(59.0% 0.096 194.0);
Tailwind
colors: {
  custom: {
    50: '#6eb0af',
    500: '#178f8e',
    950: '#000000',
  },
}
SCSS
$custom: #178f8e;
$custom-light: #6eb0af;
$custom-dark: #000000;
JSON
{
  "hex": "#178f8e",
  "rgb": {
    "r": 23,
    "g": 143,
    "b": 142
  },
  "hsl": {
    "h": 179.5,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.59033,
    "c": 0.09643,
    "h": 194
  },
  "luminance": 0.2178
}

Semantic roles & 50–950 ramp

primary
#178F8E
secondary
#C14142
accent
#393AEF
background
#F7FAFA
surface
#EDF5F4
border
#C8CFCE
text
#091010
muted
#7B7F7F

Preview Lab

Preview with #178F8E

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

Preview Lab → · Contrast checker → · Palette generator →

#178F8E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva