#178688#178688

#178688 is a mid, moderate teal. Relative luminance 0.190; OKLCH L 56.5% C 0.091 H 196.8°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX#178688
RGBrgb(23, 134, 136)
HSLhsl(181, 71%, 31%)
HSVhsv(181, 83%, 53%)
CMYKcmyk(83.1%, 1.5%, 0%, 46.7%)
CIE-LABlab(50.70, -27.77, -9.49)
CIE-LCHlch(50.70, 29.35, 198.86°)
OKLaboklab(56.45% -0.0873 -0.0264)
OKLCHoklch(56.45% 0.091 196.8)
XYZxyz(13.3203, 19.0082, 26.2547)
Luminance0.1901 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#178688 #881917
analogous
#178851 #178688 #174D88
triadic
#178688 #881786 #868817
tetradic
#178688 #511788 #881917 #4D8817
square
#178688 #511788 #881917 #4D8817
split-complementary
#178688 #88174D #885117
monochromatic
#051F1F #0E5254 #178688 #20BABC #3BDBDE

Accessibility & contrast

On white

4.37
#178688 on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

4.80
#178688 on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178688
4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##178688#FFFFFF#000000##000000
##1786881.004.374.804.80
#FFFFFF4.371.0021.0021.00
#0000004.8021.001.001.00
##0000004.8021.001.001.00

Color blindness preview

Protanopia (red-blind)
#7C7F88
Deuteranopia (green-blind)
#6D7489
Tritanopia (blue-blind)
#008B86
Achromatopsia (no color)
#797979

Design tokens & code

CSS
--color: #178688;
/* rgb */ color: rgb(23, 134, 136);
/* oklch */ color: oklch(56.5% 0.091 196.8);
Tailwind
colors: {
  custom: {
    50: '#6ca9aa',
    500: '#178688',
    950: '#000000',
  },
}
SCSS
$custom: #178688;
$custom-light: #6ca9aa;
$custom-dark: #000000;
JSON
{
  "hex": "#178688",
  "rgb": {
    "r": 23,
    "g": 134,
    "b": 136
  },
  "hsl": {
    "h": 181.062,
    "s": 71.069,
    "l": 31.176
  },
  "oklch": {
    "l": 0.56452,
    "c": 0.09122,
    "h": 196.8
  },
  "luminance": 0.1901
}

Semantic roles & 50–950 ramp

primary
#178688
secondary
#BC413F
accent
#3D3AEE
background
#F7FAFA
surface
#EDF4F4
border
#C8CECE
text
#081010
muted
#7B7F7F

Preview Lab

Preview with #178688

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

Preview Lab → · Contrast checker → · Palette generator →

#178688 Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva