#138D9F#138D9F

#138D9F is a mid, moderate teal. Relative luminance 0.217; OKLCH L 59.1% C 0.099 H 211.0°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#138D9F
RGB	rgb(19, 141, 159)
HSL	hsl(188, 79%, 35%)
HSV	hsv(188, 88%, 62%)
CMYK	cmyk(88.1%, 11.3%, 0%, 37.6%)
CIE-LAB	lab(53.70, -24.06, -18.30)
CIE-LCH	lch(53.70, 30.23, 217.27°)
OKLab	oklab(59.14% -0.085 -0.0511)
OKLCH	oklch(59.14% 0.099 211)
XYZ	xyz(16.0487, 21.6893, 36.1348)
Luminance	0.2169 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#138D9F #9F2513

analogous

#139F6B #138D9F #13479F

triadic

#138D9F #9F138D #8D9F13

tetradic

#138D9F #6B139F #9F2513 #479F13

square

#138D9F #6B139F #9F2513 #479F13

split-complementary

#138D9F #9F1347 #9F6B13

monochromatic

#062C32 #0C5D68 #138D9F #1ABDD6 #44D3E9

Accessibility & contrast

On white

3.93

#138D9F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#138D9F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #138D9F

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##138D9F	#FFFFFF	#000000	##000000
##138D9F	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E88A0

Deuteranopia (green-blind)

#6D7B9F

Tritanopia (blue-blind)

#009592

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #138d9f;
/* rgb */ color: rgb(19, 141, 159);
/* oklch */ color: oklch(59.1% 0.099 211.0);

Tailwind

colors: {
  custom: {
    50: '#70aebb',
    500: '#138d9f',
    950: '#000000',
  },
}

SCSS

$custom: #138d9f;
$custom-light: #70aebb;
$custom-dark: #000000;

JSON

{
  "hex": "#138d9f",
  "rgb": {
    "r": 19,
    "g": 141,
    "b": 159
  },
  "hsl": {
    "h": 187.714,
    "s": 78.652,
    "l": 34.902
  },
  "oklch": {
    "l": 0.59138,
    "c": 0.09915,
    "h": 211
  },
  "luminance": 0.21691
}

Semantic roles & 50–950 ramp

primary

#138D9F

secondary

#C95645

accent

#4C33F5

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #138D9F

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

Preview Lab → · Contrast checker → · Palette generator →