#178D8A#178D8A

#178D8A is a mid, moderate teal. Relative luminance 0.211; OKLCH L 58.4% C 0.096 H 192.1°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#178D8A
RGB	rgb(23, 141, 138)
HSL	hsl(178, 72%, 32%)
HSV	hsv(178, 84%, 55%)
CMYK	cmyk(83.7%, 0%, 2.1%, 44.7%)
CIE-LAB	lab(53.02, -30.56, -7.18)
CIE-LCH	lch(53.02, 31.39, 193.22°)
OKLab	oklab(58.36% -0.0935 -0.02)
OKLCH	oklch(58.36% 0.096 192.1)
XYZ	xyz(14.4635, 21.0650, 27.3435)
Luminance	0.2107 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178D8A #8D171A

analogous

#178D4F #178D8A #17558D

triadic

#178D8A #8A178D #8D8A17

tetradic

#178D8A #4F178D #8D171A #558D17

square

#178D8A #4F178D #8D171A #558D17

split-complementary

#178D8A #8D1755 #8D4F17

monochromatic

#062423 #0E5857 #178D8A #20C2BD #3FE0DC

Accessibility & contrast

On white

4.03

#178D8A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#178D8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178D8A

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178D8A	#FFFFFF	#000000	##000000
##178D8A	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84858A

Deuteranopia (green-blind)

#747A8B

Tritanopia (blue-blind)

#00918C

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #178d8a;
/* rgb */ color: rgb(23, 141, 138);
/* oklch */ color: oklch(58.4% 0.096 192.1);

Tailwind

colors: {
  custom: {
    50: '#6eafac',
    500: '#178d8a',
    950: '#000000',
  },
}

SCSS

$custom: #178d8a;
$custom-light: #6eafac;
$custom-dark: #000000;

JSON

{
  "hex": "#178d8a",
  "rgb": {
    "r": 23,
    "g": 141,
    "b": 138
  },
  "hsl": {
    "h": 178.475,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.58364,
    "c": 0.09558,
    "h": 192.1
  },
  "luminance": 0.21067
}

Semantic roles & 50–950 ramp

primary

#178D8A

secondary

#C04043

accent

#393EEF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#081010

muted

#7B7F7F

Preview Lab

Preview with #178D8A

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

Preview Lab → · Contrast checker → · Palette generator →