#178C8D#178C8D

#178C8D is a mid, moderate teal. Relative luminance 0.209; OKLCH L 58.2% C 0.095 H 195.8°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#178C8D
RGB	rgb(23, 140, 141)
HSL	hsl(181, 72%, 32%)
HSV	hsv(181, 84%, 55%)
CMYK	cmyk(83.7%, 0.7%, 0%, 44.7%)
CIE-LAB	lab(52.80, -29.14, -9.25)
CIE-LCH	lch(52.80, 30.57, 197.62°)
OKLab	oklab(58.21% -0.0911 -0.0258)
OKLCH	oklch(58.21% 0.095 195.8)
XYZ	xyz(14.5369, 20.8596, 28.4543)
Luminance	0.2086 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178C8D #8D1817

analogous

#178D53 #178C8D #17518D

triadic

#178C8D #8D178C #8C8D17

tetradic

#178C8D #53178D #8D1817 #518D17

square

#178C8D #53178D #8D1817 #518D17

split-complementary

#178C8D #8D1751 #8D5317

monochromatic

#062424 #0E5858 #178C8D #20C0C2 #3FDEE0

Accessibility & contrast

On white

4.06

#178C8D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#178C8D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178C8D

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178C8D	#FFFFFF	#000000	##000000
##178C8D	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82858D

Deuteranopia (green-blind)

#72798E

Tritanopia (blue-blind)

#00918C

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #178c8d;
/* rgb */ color: rgb(23, 140, 141);
/* oklch */ color: oklch(58.2% 0.095 195.8);

Tailwind

colors: {
  custom: {
    50: '#6eaeae',
    500: '#178c8d',
    950: '#000000',
  },
}

SCSS

$custom: #178c8d;
$custom-light: #6eaeae;
$custom-dark: #000000;

JSON

{
  "hex": "#178c8d",
  "rgb": {
    "r": 23,
    "g": 140,
    "b": 141
  },
  "hsl": {
    "h": 180.508,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.58213,
    "c": 0.09462,
    "h": 195.8
  },
  "luminance": 0.20861
}

Semantic roles & 50–950 ramp

primary

#178C8D

secondary

#C04140

accent

#3B39EF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#081010

muted

#7B7F7F

Preview Lab

Preview with #178C8D

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

Preview Lab → · Contrast checker → · Palette generator →