#138F9A#138F9A

#138F9A is a mid, moderate teal. Relative luminance 0.221; OKLCH L 59.4% C 0.098 H 204.7°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#138F9A
RGB	rgb(19, 143, 154)
HSL	hsl(185, 78%, 34%)
HSV	hsv(185, 88%, 60%)
CMYK	cmyk(87.7%, 7.1%, 0%, 39.6%)
CIE-LAB	lab(54.15, -26.74, -14.73)
CIE-LCH	lch(54.15, 30.53, 208.86°)
OKLab	oklab(59.44% -0.0891 -0.041)
OKLCH	oklch(59.44% 0.098 204.7)
XYZ	xyz(15.9211, 22.1144, 33.9950)
Luminance	0.2212 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#138F9A #9A1E13

analogous

#139A62 #138F9A #134C9A

triadic

#138F9A #9A138F #8F9A13

tetradic

#138F9A #62139A #9A1E13 #4C9A13

square

#138F9A #62139A #9A1E13 #4C9A13

split-complementary

#138F9A #9A134C #9A6213

monochromatic

#062A2D #0C5C64 #138F9A #1AC2D0 #40DAE7

Accessibility & contrast

On white

3.87

#138F9A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#138F9A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #138F9A

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##138F9A	#FFFFFF	#000000	##000000
##138F9A	1.00	3.87	5.42	5.42
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82899B

Deuteranopia (green-blind)

#717C9A

Tritanopia (blue-blind)

#009692

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #138f9a;
/* rgb */ color: rgb(19, 143, 154);
/* oklch */ color: oklch(59.4% 0.098 204.7);

Tailwind

colors: {
  custom: {
    50: '#6fb0b7',
    500: '#138f9a',
    950: '#000000',
  },
}

SCSS

$custom: #138f9a;
$custom-light: #6fb0b7;
$custom-dark: #000000;

JSON

{
  "hex": "#138f9a",
  "rgb": {
    "r": 19,
    "g": 143,
    "b": 154
  },
  "hsl": {
    "h": 184.889,
    "s": 78.035,
    "l": 33.922
  },
  "oklch": {
    "l": 0.59444,
    "c": 0.09808,
    "h": 204.7
  },
  "luminance": 0.22116
}

Semantic roles & 50–950 ramp

primary

#138F9A

secondary

#C74C41

accent

#4333F5

background

#F7FAFB

surface

#EDF5F6

border

#C8CFD0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #138F9A

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

Preview Lab → · Contrast checker → · Palette generator →