#138F9F#138F9F

#138F9F is a mid, moderate teal. Relative luminance 0.223; OKLCH L 59.6% C 0.099 H 209.1°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#138F9F
RGB	rgb(19, 143, 159)
HSL	hsl(187, 79%, 35%)
HSV	hsv(187, 88%, 62%)
CMYK	cmyk(88.1%, 10.1%, 0%, 37.6%)
CIE-LAB	lab(54.33, -25.08, -17.34)
CIE-LCH	lch(54.33, 30.49, 214.66°)
OKLab	oklab(59.65% -0.0869 -0.0484)
OKLCH	oklch(59.65% 0.099 209.1)
XYZ	xyz(16.3462, 22.2844, 36.2340)
Luminance	0.2229 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#138F9F #9F2313

analogous

#139F69 #138F9F #13499F

triadic

#138F9F #9F138F #8F9F13

tetradic

#138F9F #69139F #9F2313 #499F13

square

#138F9F #69139F #9F2313 #499F13

split-complementary

#138F9F #9F1349 #9F6913

monochromatic

#062D32 #0C5E68 #138F9F #1AC0D6 #44D6E9

Accessibility & contrast

On white

3.85

#138F9F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#138F9F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #138F9F

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##138F9F	#FFFFFF	#000000	##000000
##138F9F	1.00	3.85	5.46	5.46
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8189A0

Deuteranopia (green-blind)

#6F7C9F

Tritanopia (blue-blind)

#009694

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #138f9f;
/* rgb */ color: rgb(19, 143, 159);
/* oklch */ color: oklch(59.6% 0.099 209.1);

Tailwind

colors: {
  custom: {
    50: '#70b0bb',
    500: '#138f9f',
    950: '#000000',
  },
}

SCSS

$custom: #138f9f;
$custom-light: #70b0bb;
$custom-dark: #000000;

JSON

{
  "hex": "#138f9f",
  "rgb": {
    "r": 19,
    "g": 143,
    "b": 159
  },
  "hsl": {
    "h": 186.857,
    "s": 78.652,
    "l": 34.902
  },
  "oklch": {
    "l": 0.59649,
    "c": 0.09945,
    "h": 209.1
  },
  "luminance": 0.22287
}

Semantic roles & 50–950 ramp

primary

#138F9F

secondary

#C95445

accent

#4933F5

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #138F9F

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

Preview Lab → · Contrast checker → · Palette generator →