#138C8F#138C8F

#138C8F is a mid, moderate teal. Relative luminance 0.209; OKLCH L 58.2% C 0.096 H 197.6°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#138C8F
RGB	rgb(19, 140, 143)
HSL	hsl(181, 77%, 32%)
HSV	hsv(181, 87%, 56%)
CMYK	cmyk(86.7%, 2.1%, 0%, 43.9%)
CIE-LAB	lab(52.81, -28.82, -10.39)
CIE-LCH	lch(52.81, 30.63, 199.83°)
OKLab	oklab(58.24% -0.0911 -0.0289)
OKLCH	oklch(58.24% 0.096 197.6)
XYZ	xyz(14.6023, 20.8759, 29.2411)
Luminance	0.2088 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#138C8F #8F1613

analogous

#138F54 #138C8F #134E8F

triadic

#138C8F #8F138C #8C8F13

tetradic

#138C8F #54138F #8F1613 #4E8F13

square

#138C8F #54138F #8F1613 #4E8F13

split-complementary

#138C8F #8F134E #8F5413

monochromatic

#052223 #0C5759 #138C8F #1AC1C5 #38E0E5

Accessibility & contrast

On white

4.06

#138C8F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#138C8F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #138C8F

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##138C8F	#FFFFFF	#000000	##000000
##138C8F	1.00	4.06	5.18	5.18
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81858F

Deuteranopia (green-blind)

#717990

Tritanopia (blue-blind)

#00918D

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #138c8f;
/* rgb */ color: rgb(19, 140, 143);
/* oklch */ color: oklch(58.2% 0.096 197.6);

Tailwind

colors: {
  custom: {
    50: '#6daeaf',
    500: '#138c8f',
    950: '#000000',
  },
}

SCSS

$custom: #138c8f;
$custom-light: #6daeaf;
$custom-dark: #000000;

JSON

{
  "hex": "#138c8f",
  "rgb": {
    "r": 19,
    "g": 140,
    "b": 143
  },
  "hsl": {
    "h": 181.452,
    "s": 76.543,
    "l": 31.765
  },
  "oklch": {
    "l": 0.58236,
    "c": 0.09559,
    "h": 197.6
  },
  "luminance": 0.20878
}

Semantic roles & 50–950 ramp

primary

#138C8F

secondary

#C33E3B

accent

#3935F3

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#081010

muted

#7B7F7F

Preview Lab

Preview with #138C8F

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

Preview Lab → · Contrast checker → · Palette generator →