#178F87#178F87

#178F87 is a mid, moderate teal. Relative luminance 0.216; OKLCH L 58.8% C 0.098 H 187.7°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#178F87
RGB	rgb(23, 143, 135)
HSL	hsl(176, 72%, 33%)
HSV	hsv(176, 84%, 56%)
CMYK	cmyk(83.9%, 0%, 5.6%, 43.9%)
CIE-LAB	lab(53.57, -32.43, -4.63)
CIE-LCH	lch(53.57, 32.76, 188.12°)
OKLab	oklab(58.78% -0.0969 -0.0131)
OKLCH	oklch(58.78% 0.098 187.7)
XYZ	xyz(14.5469, 21.5745, 26.3146)
Luminance	0.2158 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178F87 #8F171F

analogous

#178F4B #178F87 #175B8F

triadic

#178F87 #87178F #8F8717

tetradic

#178F87 #4B178F #8F171F #5B8F17

square

#178F87 #4B178F #8F171F #5B8F17

split-complementary

#178F87 #8F175B #8F4B17

monochromatic

#062623 #0F5A55 #178F87 #1FC4B9 #40E0D6

Accessibility & contrast

On white

3.95

#178F87 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#178F87 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178F87

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178F87	#FFFFFF	#000000	##000000
##178F87	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#878787

Deuteranopia (green-blind)

#777B88

Tritanopia (blue-blind)

#00938C

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #178f87;
/* rgb */ color: rgb(23, 143, 135);
/* oklch */ color: oklch(58.8% 0.098 187.7);

Tailwind

colors: {
  custom: {
    50: '#6eb0a9',
    500: '#178f87',
    950: '#000000',
  },
}

SCSS

$custom: #178f87;
$custom-light: #6eb0a9;
$custom-dark: #000000;

JSON

{
  "hex": "#178f87",
  "rgb": {
    "r": 23,
    "g": 143,
    "b": 135
  },
  "hsl": {
    "h": 176,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.58783,
    "c": 0.09778,
    "h": 187.7
  },
  "luminance": 0.21576
}

Semantic roles & 50–950 ramp

primary

#178F87

secondary

#C1414A

accent

#3945EF

background

#F7FAFA

surface

#EDF5F4

border

#C8CFCE

text

#081010

muted

#7B7F7F

Preview Lab

Preview with #178F87

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

Preview Lab → · Contrast checker → · Palette generator →