#178F8F#178F8F

#178F8F is a mid, moderate teal. Relative luminance 0.218; OKLCH L 59.1% C 0.096 H 194.9°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#178F8F
RGB	rgb(23, 143, 143)
HSL	hsl(180, 72%, 33%)
HSV	hsv(180, 84%, 56%)
CMYK	cmyk(83.9%, 0%, 0%, 43.9%)
CIE-LAB	lab(53.82, -29.97, -8.87)
CIE-LCH	lch(53.82, 31.26, 196.49°)
OKLab	oklab(59.07% -0.0931 -0.0247)
OKLCH	oklch(59.07% 0.096 194.9)
XYZ	xyz(15.1314, 21.8083, 29.3932)
Luminance	0.2181 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178F8F #8F1717

analogous

#178F53 #178F8F #17538F

triadic

#178F8F #8F178F #8F8F17

tetradic

#178F8F #53178F #8F1717 #538F17

square

#178F8F #53178F #8F1717 #538F17

split-complementary

#178F8F #8F1753 #8F5317

monochromatic

#062626 #0F5A5A #178F8F #1FC4C4 #40E0E0

Accessibility & contrast

On white

3.92

#178F8F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#178F8F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178F8F

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178F8F	#FFFFFF	#000000	##000000
##178F8F	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85878F

Deuteranopia (green-blind)

#757C90

Tritanopia (blue-blind)

#00948F

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #178f8f;
/* rgb */ color: rgb(23, 143, 143);
/* oklch */ color: oklch(59.1% 0.096 194.9);

Tailwind

colors: {
  custom: {
    50: '#6fb0af',
    500: '#178f8f',
    950: '#000000',
  },
}

SCSS

$custom: #178f8f;
$custom-light: #6fb0af;
$custom-dark: #000000;

JSON

{
  "hex": "#178f8f",
  "rgb": {
    "r": 23,
    "g": 143,
    "b": 143
  },
  "hsl": {
    "h": 180,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.5907,
    "c": 0.09635,
    "h": 194.9
  },
  "luminance": 0.2181
}

Semantic roles & 50–950 ramp

primary

#178F8F

secondary

#C14141

accent

#3939EF

background

#F7FAFA

surface

#EDF5F4

border

#C8CFCE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #178F8F

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

Preview Lab → · Contrast checker → · Palette generator →