#138B9A#138B9A

#138B9A is a mid, moderate teal. Relative luminance 0.209; OKLCH L 58.4% C 0.097 H 208.6°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX#138B9A
RGBrgb(19, 139, 154)
HSLhsl(187, 78%, 34%)
HSVhsv(187, 88%, 60%)
CMYKcmyk(87.7%, 9.7%, 0%, 39.6%)
CIE-LABlab(52.88, -24.71, -16.66)
CIE-LCHlch(52.88, 29.80, 213.99°)
OKLaboklab(58.41% -0.0852 -0.0465)
OKLCHoklch(58.41% 0.097 208.6)
XYZxyz(15.3313, 20.9348, 33.7984)
Luminance0.2094 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#138B9A #9A2213
analogous
#139A66 #138B9A #13489A
triadic
#138B9A #9A138B #8B9A13
tetradic
#138B9A #66139A #9A2213 #489A13
square
#138B9A #66139A #9A2213 #489A13
split-complementary
#138B9A #9A1348 #9A6613
monochromatic
#06292D #0C5A64 #138B9A #1ABCD0 #40D5E7

Accessibility & contrast

On white

4.05
#138B9A on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.19
#138B9A on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #138B9A
5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##138B9A#FFFFFF#000000##000000
##138B9A1.004.055.195.19
#FFFFFF4.051.0021.0021.00
#0000005.1921.001.001.00
##0000005.1921.001.001.00

Color blindness preview

Protanopia (red-blind)
#7D859B
Deuteranopia (green-blind)
#6C799A
Tritanopia (blue-blind)
#00928F
Achromatopsia (no color)
#7E7E7E

Design tokens & code

CSS
--color: #138b9a;
/* rgb */ color: rgb(19, 139, 154);
/* oklch */ color: oklch(58.4% 0.097 208.6);
Tailwind
colors: {
  custom: {
    50: '#6fadb7',
    500: '#138b9a',
    950: '#000000',
  },
}
SCSS
$custom: #138b9a;
$custom-light: #6fadb7;
$custom-dark: #000000;
JSON
{
  "hex": "#138b9a",
  "rgb": {
    "r": 19,
    "g": 139,
    "b": 154
  },
  "hsl": {
    "h": 186.667,
    "s": 78.035,
    "l": 33.922
  },
  "oklch": {
    "l": 0.58415,
    "c": 0.09704,
    "h": 208.6
  },
  "luminance": 0.20937
}

Semantic roles & 50–950 ramp

primary
#138B9A
secondary
#C75041
accent
#4933F5
background
#F7FAFB
surface
#EDF4F6
border
#C8CED0
text
#091011
muted
#7B7F80

Preview Lab

Preview with #138B9A

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

Preview Lab → · Contrast checker → · Palette generator →

#138B9A Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva