#178D8C#178D8C

#178D8C is a mid, moderate teal. Relative luminance 0.211; OKLCH L 58.4% C 0.095 H 193.9°. Best body text is #000000 at 5.23:1 contrast (WCAG AA passes).

Color values

HEX	#178D8C
RGB	rgb(23, 141, 140)
HSL	hsl(179, 72%, 32%)
HSV	hsv(179, 84%, 55%)
CMYK	cmyk(83.7%, 0%, 0.7%, 44.7%)
CIE-LAB	lab(53.08, -29.94, -8.24)
CIE-LCH	lch(53.08, 31.05, 195.39°)
OKLab	oklab(58.44% -0.0925 -0.023)
OKLCH	oklch(58.44% 0.095 193.9)
XYZ	xyz(14.6096, 21.1235, 28.1131)
Luminance	0.2112 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178D8C #8D1718

analogous

#178D51 #178D8C #17538D

triadic

#178D8C #8C178D #8D8C17

tetradic

#178D8C #51178D #8D1718 #538D17

square

#178D8C #51178D #8D1718 #538D17

split-complementary

#178D8C #8D1753 #8D5117

monochromatic

#062424 #0E5858 #178D8C #20C2C0 #3FE0DE

Accessibility & contrast

On white

4.02

#178D8C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.23

#178D8C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178D8C

5.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178D8C	#FFFFFF	#000000	##000000
##178D8C	1.00	4.02	5.23	5.23
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.23	21.00	1.00	1.00
##000000	5.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83858C

Deuteranopia (green-blind)

#737A8D

Tritanopia (blue-blind)

#00928C

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #178d8c;
/* rgb */ color: rgb(23, 141, 140);
/* oklch */ color: oklch(58.4% 0.095 193.9);

Tailwind

colors: {
  custom: {
    50: '#6eafad',
    500: '#178d8c',
    950: '#000000',
  },
}

SCSS

$custom: #178d8c;
$custom-light: #6eafad;
$custom-dark: #000000;

JSON

{
  "hex": "#178d8c",
  "rgb": {
    "r": 23,
    "g": 141,
    "b": 140
  },
  "hsl": {
    "h": 179.492,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.58437,
    "c": 0.09533,
    "h": 193.9
  },
  "luminance": 0.21125
}

Semantic roles & 50–950 ramp

primary

#178D8C

secondary

#C04041

accent

#393BEF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#081010

muted

#7B7F7F

Preview Lab

Preview with #178D8C

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

Preview Lab → · Contrast checker → · Palette generator →