#138E9A#138E9A

#138E9A is a mid, moderate teal. Relative luminance 0.218; OKLCH L 59.2% C 0.098 H 205.7°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#138E9A
RGB	rgb(19, 142, 154)
HSL	hsl(185, 78%, 34%)
HSV	hsv(185, 88%, 60%)
CMYK	cmyk(87.7%, 7.8%, 0%, 39.6%)
CIE-LAB	lab(53.83, -26.24, -15.22)
CIE-LCH	lch(53.83, 30.33, 210.11°)
OKLab	oklab(59.19% -0.0881 -0.0424)
OKLCH	oklch(59.19% 0.098 205.7)
XYZ	xyz(15.7717, 21.8155, 33.9451)
Luminance	0.2182 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#138E9A #9A1F13

analogous

#139A63 #138E9A #134B9A

triadic

#138E9A #9A138E #8E9A13

tetradic

#138E9A #63139A #9A1F13 #4B9A13

square

#138E9A #63139A #9A1F13 #4B9A13

split-complementary

#138E9A #9A134B #9A6313

monochromatic

#062A2D #0C5C64 #138E9A #1AC0D0 #40D9E7

Accessibility & contrast

On white

3.92

#138E9A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#138E9A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #138E9A

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##138E9A	#FFFFFF	#000000	##000000
##138E9A	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81889B

Deuteranopia (green-blind)

#707B9A

Tritanopia (blue-blind)

#009591

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #138e9a;
/* rgb */ color: rgb(19, 142, 154);
/* oklch */ color: oklch(59.2% 0.098 205.7);

Tailwind

colors: {
  custom: {
    50: '#6fafb7',
    500: '#138e9a',
    950: '#000000',
  },
}

SCSS

$custom: #138e9a;
$custom-light: #6fafb7;
$custom-dark: #000000;

JSON

{
  "hex": "#138e9a",
  "rgb": {
    "r": 19,
    "g": 142,
    "b": 154
  },
  "hsl": {
    "h": 185.333,
    "s": 78.035,
    "l": 33.922
  },
  "oklch": {
    "l": 0.59187,
    "c": 0.09777,
    "h": 205.7
  },
  "luminance": 0.21818
}

Semantic roles & 50–950 ramp

primary

#138E9A

secondary

#C74D41

accent

#4433F5

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #138E9A

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

Preview Lab → · Contrast checker → · Palette generator →