#178F8A#178F8A

#178F8A is a mid, moderate teal. Relative luminance 0.217; OKLCH L 58.9% C 0.097 H 190.3°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#178F8A
RGB	rgb(23, 143, 138)
HSL	hsl(178, 72%, 33%)
HSV	hsv(178, 84%, 56%)
CMYK	cmyk(83.9%, 0%, 3.5%, 43.9%)
CIE-LAB	lab(53.66, -31.52, -6.22)
CIE-LCH	lch(53.66, 32.13, 191.17°)
OKLab	oklab(58.89% -0.0955 -0.0174)
OKLCH	oklch(58.89% 0.097 190.3)
XYZ	xyz(14.7611, 21.6602, 27.4427)
Luminance	0.2166 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178F8A #8F171C

analogous

#178F4E #178F8A #17588F

triadic

#178F8A #8A178F #8F8A17

tetradic

#178F8A #4E178F #8F171C #588F17

square

#178F8A #4E178F #8F171C #588F17

split-complementary

#178F8A #8F1758 #8F4E17

monochromatic

#062624 #0F5A57 #178F8A #1FC4BD #40E0DA

Accessibility & contrast

On white

3.94

#178F8A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#178F8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178F8A

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178F8A	#FFFFFF	#000000	##000000
##178F8A	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#86878A

Deuteranopia (green-blind)

#767B8B

Tritanopia (blue-blind)

#00938D

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #178f8a;
/* rgb */ color: rgb(23, 143, 138);
/* oklch */ color: oklch(58.9% 0.097 190.3);

Tailwind

colors: {
  custom: {
    50: '#6eb0ac',
    500: '#178f8a',
    950: '#000000',
  },
}

SCSS

$custom: #178f8a;
$custom-light: #6eb0ac;
$custom-dark: #000000;

JSON

{
  "hex": "#178f8a",
  "rgb": {
    "r": 23,
    "g": 143,
    "b": 138
  },
  "hsl": {
    "h": 177.5,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.58889,
    "c": 0.09705,
    "h": 190.3
  },
  "luminance": 0.21662
}

Semantic roles & 50–950 ramp

primary

#178F8A

secondary

#C14146

accent

#3940EF

background

#F7FAFA

surface

#EDF5F4

border

#C8CFCE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #178F8A

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

Preview Lab → · Contrast checker → · Palette generator →