#178A8E#178A8E

#178A8E is a mid, moderate teal. Relative luminance 0.203; OKLCH L 57.7% C 0.093 H 198.6°. Best body text is #000000 at 5.06:1 contrast (WCAG AA passes).

Color values

HEX#178A8E
RGBrgb(23, 138, 142)
HSLhsl(182, 72%, 32%)
HSVhsv(182, 84%, 56%)
CMYKcmyk(83.8%, 2.8%, 0%, 44.3%)
CIE-LABlab(52.19, -27.84, -10.75)
CIE-LCHlch(52.19, 29.84, 201.11°)
OKLaboklab(57.73% -0.0886 -0.0299)
OKLCHoklch(57.73% 0.093 198.6)
XYZxyz(14.3221, 20.3103, 28.7514)
Luminance0.2031 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#178A8E #8E1B17
analogous
#178E57 #178A8E #174E8E
triadic
#178A8E #8E178A #8A8E17
tetradic
#178A8E #57178E #8E1B17 #4E8E17
square
#178A8E #57178E #8E1B17 #4E8E17
split-complementary
#178A8E #8E174E #8E5717
monochromatic
#062425 #0E5759 #178A8E #20BDC3 #3FDBE0

Accessibility & contrast

On white

4.15
#178A8E on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.06
#178A8E on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178A8E
5.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##178A8E#FFFFFF#000000##000000
##178A8E1.004.155.065.06
#FFFFFF4.151.0021.0021.00
#0000005.0621.001.001.00
##0000005.0621.001.001.00

Color blindness preview

Protanopia (red-blind)
#7F838E
Deuteranopia (green-blind)
#6F778F
Tritanopia (blue-blind)
#008F8B
Achromatopsia (no color)
#7C7C7C

Design tokens & code

CSS
--color: #178a8e;
/* rgb */ color: rgb(23, 138, 142);
/* oklch */ color: oklch(57.7% 0.093 198.6);
Tailwind
colors: {
  custom: {
    50: '#6eacaf',
    500: '#178a8e',
    950: '#000000',
  },
}
SCSS
$custom: #178a8e;
$custom-light: #6eacaf;
$custom-dark: #000000;
JSON
{
  "hex": "#178a8e",
  "rgb": {
    "r": 23,
    "g": 138,
    "b": 142
  },
  "hsl": {
    "h": 182.017,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.57729,
    "c": 0.09349,
    "h": 198.6
  },
  "luminance": 0.20312
}

Semantic roles & 50–950 ramp

primary
#178A8E
secondary
#C04540
accent
#3F39EF
background
#F7FAFA
surface
#EDF4F4
border
#C8CECE
text
#081010
muted
#7B7F7F

Preview Lab

Preview with #178A8E

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

Preview Lab → · Contrast checker → · Palette generator →

#178A8E Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva