#178D8F#178D8F

#178D8F is a mid, moderate teal. Relative luminance 0.212; OKLCH L 58.5% C 0.095 H 196.7°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#178D8F
RGB	rgb(23, 141, 143)
HSL	hsl(181, 72%, 33%)
HSV	hsv(181, 84%, 56%)
CMYK	cmyk(83.9%, 1.4%, 0%, 43.9%)
CIE-LAB	lab(53.18, -29.00, -9.83)
CIE-LCH	lch(53.18, 30.62, 198.73°)
OKLab	oklab(58.55% -0.0911 -0.0274)
OKLCH	oklch(58.55% 0.095 196.7)
XYZ	xyz(14.8338, 21.2132, 29.2940)
Luminance	0.2122 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178D8F #8F1917

analogous

#178F55 #178D8F #17518F

triadic

#178D8F #8F178D #8D8F17

tetradic

#178D8F #55178F #8F1917 #518F17

square

#178D8F #55178F #8F1917 #518F17

split-complementary

#178D8F #8F1751 #8F5517

monochromatic

#062526 #0F595A #178D8F #1FC1C4 #40DEE0

Accessibility & contrast

On white

4.01

#178D8F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#178D8F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178D8F

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178D8F	#FFFFFF	#000000	##000000
##178D8F	1.00	4.01	5.24	5.24
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83868F

Deuteranopia (green-blind)

#727A90

Tritanopia (blue-blind)

#00928D

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #178d8f;
/* rgb */ color: rgb(23, 141, 143);
/* oklch */ color: oklch(58.5% 0.095 196.7);

Tailwind

colors: {
  custom: {
    50: '#6eafaf',
    500: '#178d8f',
    950: '#000000',
  },
}

SCSS

$custom: #178d8f;
$custom-light: #6eafaf;
$custom-dark: #000000;

JSON

{
  "hex": "#178d8f",
  "rgb": {
    "r": 23,
    "g": 141,
    "b": 143
  },
  "hsl": {
    "h": 181,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.58549,
    "c": 0.09515,
    "h": 196.7
  },
  "luminance": 0.21215
}

Semantic roles & 50–950 ramp

primary

#178D8F

secondary

#C14341

accent

#3C39EF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #178D8F

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

Preview Lab → · Contrast checker → · Palette generator →