#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
RGB	rgb(19, 139, 154)
HSL	hsl(187, 78%, 34%)
HSV	hsv(187, 88%, 60%)
CMYK	cmyk(87.7%, 9.7%, 0%, 39.6%)
CIE-LAB	lab(52.88, -24.71, -16.66)
CIE-LCH	lch(52.88, 29.80, 213.99°)
OKLab	oklab(58.41% -0.0852 -0.0465)
OKLCH	oklch(58.41% 0.097 208.6)
XYZ	xyz(15.3313, 20.9348, 33.7984)
Luminance	0.2094 (WCAG relative)
Temperature	cool
Family	teal

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
##138B9A	1.00	4.05	5.19	5.19
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

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 →