#138E9F#138E9F

#138E9F is a mid, moderate teal. Relative luminance 0.220; OKLCH L 59.4% C 0.099 H 210.1°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX#138E9F
RGBrgb(19, 142, 159)
HSLhsl(187, 79%, 35%)
HSVhsv(187, 88%, 62%)
CMYKcmyk(88.1%, 10.7%, 0%, 37.6%)
CIE-LABlab(54.01, -24.57, -17.82)
CIE-LCHlch(54.01, 30.35, 215.96°)
OKLaboklab(59.39% -0.0859 -0.0497)
OKLCHoklch(59.39% 0.099 210.1)
XYZxyz(16.1968, 21.9855, 36.1841)
Luminance0.2199 (WCAG relative)
Temperaturecool
Familyteal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary
#138E9F #9F2413
analogous
#139F6A #138E9F #13489F
triadic
#138E9F #9F138E #8E9F13
tetradic
#138E9F #6A139F #9F2413 #489F13
square
#138E9F #6A139F #9F2413 #489F13
split-complementary
#138E9F #9F1348 #9F6A13
monochromatic
#062C32 #0C5D68 #138E9F #1ABFD6 #44D5E9

Accessibility & contrast

On white

3.89
#138E9F on #FFFFFF
AA ✗AA large ✓AAA ✗

On black

5.40
#138E9F on #000000
AA ✓AA large ✓AAA ✗

Best text color

#000000 on #138E9F
5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg##138E9F#FFFFFF#000000##000000
##138E9F1.003.895.405.40
#FFFFFF3.891.0021.0021.00
#0000005.4021.001.001.00
##0000005.4021.001.001.00

Color blindness preview

Protanopia (red-blind)
#8088A0
Deuteranopia (green-blind)
#6E7C9F
Tritanopia (blue-blind)
#009593
Achromatopsia (no color)
#818181

Design tokens & code

CSS
--color: #138e9f;
/* rgb */ color: rgb(19, 142, 159);
/* oklch */ color: oklch(59.4% 0.099 210.1);
Tailwind
colors: {
  custom: {
    50: '#70afbb',
    500: '#138e9f',
    950: '#000000',
  },
}
SCSS
$custom: #138e9f;
$custom-light: #70afbb;
$custom-dark: #000000;
JSON
{
  "hex": "#138e9f",
  "rgb": {
    "r": 19,
    "g": 142,
    "b": 159
  },
  "hsl": {
    "h": 187.286,
    "s": 78.652,
    "l": 34.902
  },
  "oklch": {
    "l": 0.59393,
    "c": 0.09929,
    "h": 210.1
  },
  "luminance": 0.21988
}

Semantic roles & 50–950 ramp

primary
#138E9F
secondary
#C95545
accent
#4A33F5
background
#F7FAFB
surface
#EDF4F6
border
#C8CED0
text
#091011
muted
#7B7F80

Preview Lab

Preview with #138E9F

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

Preview Lab → · Contrast checker → · Palette generator →

#138E9F Color — HEX, RGB, HSL, OKLCH & Contrast — Tintiva