#178D8B#178D8B

#178D8B is a mid, moderate teal. Relative luminance 0.211; OKLCH L 58.4% C 0.095 H 193.0°. Best body text is #000000 at 5.22:1 contrast (WCAG AA passes).

Color values

HEX	#178D8B
RGB	rgb(23, 141, 139)
HSL	hsl(179, 72%, 32%)
HSV	hsv(179, 84%, 55%)
CMYK	cmyk(83.7%, 0%, 1.4%, 44.7%)
CIE-LAB	lab(53.05, -30.25, -7.71)
CIE-LCH	lch(53.05, 31.22, 194.30°)
OKLab	oklab(58.4% -0.093 -0.0215)
OKLCH	oklch(58.4% 0.095 193)
XYZ	xyz(14.5362, 21.0941, 27.7265)
Luminance	0.2110 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178D8B #8D1719

analogous

#178D50 #178D8B #17548D

triadic

#178D8B #8B178D #8D8B17

tetradic

#178D8B #50178D #8D1719 #548D17

square

#178D8B #50178D #8D1719 #548D17

split-complementary

#178D8B #8D1754 #8D5017

monochromatic

#062423 #0E5857 #178D8B #20C2BF #3FE0DD

Accessibility & contrast

On white

4.02

#178D8B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.22

#178D8B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178D8B

5.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178D8B	#FFFFFF	#000000	##000000
##178D8B	1.00	4.02	5.22	5.22
#FFFFFF	4.02	1.00	21.00	21.00
#000000	5.22	21.00	1.00	1.00
##000000	5.22	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83858B

Deuteranopia (green-blind)

#747A8C

Tritanopia (blue-blind)

#00928C

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #178d8b;
/* rgb */ color: rgb(23, 141, 139);
/* oklch */ color: oklch(58.4% 0.095 193.0);

Tailwind

colors: {
  custom: {
    50: '#6eafac',
    500: '#178d8b',
    950: '#000000',
  },
}

SCSS

$custom: #178d8b;
$custom-light: #6eafac;
$custom-dark: #000000;

JSON

{
  "hex": "#178d8b",
  "rgb": {
    "r": 23,
    "g": 141,
    "b": 139
  },
  "hsl": {
    "h": 178.983,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.58401,
    "c": 0.09545,
    "h": 193
  },
  "luminance": 0.21096
}

Semantic roles & 50–950 ramp

primary

#178D8B

secondary

#C04042

accent

#393CEF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#081010

muted

#7B7F7F

Preview Lab

Preview with #178D8B

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

Preview Lab → · Contrast checker → · Palette generator →