#138E8B#138E8B

#138E8B is a mid, moderate teal. Relative luminance 0.213; OKLCH L 58.6% C 0.097 H 192.1°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#138E8B
RGB	rgb(19, 142, 139)
HSL	hsl(179, 76%, 32%)
HSV	hsv(179, 87%, 56%)
CMYK	cmyk(86.6%, 0%, 2.1%, 44.3%)
CIE-LAB	lab(53.33, -31.05, -7.31)
CIE-LCH	lch(53.33, 31.90, 193.25°)
OKLab	oklab(58.61% -0.095 -0.0204)
OKLCH	oklch(58.61% 0.097 192.1)
XYZ	xyz(14.5995, 21.3466, 27.7719)
Luminance	0.2135 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#138E8B #8E1316

analogous

#138E4E #138E8B #13548E

triadic

#138E8B #8B138E #8E8B13

tetradic

#138E8B #4E138E #8E1316 #548E13

square

#138E8B #4E138E #8E1316 #548E13

split-complementary

#138E8B #8E1354 #8E4E13

monochromatic

#052221 #0C5856 #138E8B #1AC4C0 #37E4E0

Accessibility & contrast

On white

3.98

#138E8B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#138E8B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #138E8B

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##138E8B	#FFFFFF	#000000	##000000
##138E8B	1.00	3.98	5.27	5.27
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85868B

Deuteranopia (green-blind)

#757A8C

Tritanopia (blue-blind)

#00928D

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #138e8b;
/* rgb */ color: rgb(19, 142, 139);
/* oklch */ color: oklch(58.6% 0.097 192.1);

Tailwind

colors: {
  custom: {
    50: '#6dafac',
    500: '#138e8b',
    950: '#000000',
  },
}

SCSS

$custom: #138e8b;
$custom-light: #6dafac;
$custom-dark: #000000;

JSON

{
  "hex": "#138e8b",
  "rgb": {
    "r": 19,
    "g": 142,
    "b": 139
  },
  "hsl": {
    "h": 178.537,
    "s": 76.398,
    "l": 31.569
  },
  "oklch": {
    "l": 0.5861,
    "c": 0.09713,
    "h": 192.1
  },
  "luminance": 0.21349
}

Semantic roles & 50–950 ramp

primary

#138E8B

secondary

#C23B3E

accent

#3539F3

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#081010

muted

#7B7F7F

Preview Lab

Preview with #138E8B

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

Preview Lab → · Contrast checker → · Palette generator →