#178D88#178D88

#178D88 is a mid, moderate teal. Relative luminance 0.210; OKLCH L 58.3% C 0.096 H 190.3°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#178D88
RGB	rgb(23, 141, 136)
HSL	hsl(177, 72%, 32%)
HSV	hsv(177, 84%, 55%)
CMYK	cmyk(83.7%, 0%, 3.5%, 44.7%)
CIE-LAB	lab(52.96, -31.18, -6.12)
CIE-LCH	lch(52.96, 31.77, 191.10°)
OKLab	oklab(58.29% -0.0944 -0.0171)
OKLCH	oklch(58.29% 0.096 190.3)
XYZ	xyz(14.3200, 21.0077, 26.5879)
Luminance	0.2101 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178D88 #8D171C

analogous

#178D4D #178D88 #17578D

triadic

#178D88 #88178D #8D8817

tetradic

#178D88 #4D178D #8D171C #578D17

square

#178D88 #4D178D #8D171C #578D17

split-complementary

#178D88 #8D1757 #8D4D17

monochromatic

#062422 #0E5855 #178D88 #20C2BB #3FE0D9

Accessibility & contrast

On white

4.04

#178D88 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#178D88 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178D88

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178D88	#FFFFFF	#000000	##000000
##178D88	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#848588

Deuteranopia (green-blind)

#747A89

Tritanopia (blue-blind)

#00918B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #178d88;
/* rgb */ color: rgb(23, 141, 136);
/* oklch */ color: oklch(58.3% 0.096 190.3);

Tailwind

colors: {
  custom: {
    50: '#6dafaa',
    500: '#178d88',
    950: '#000000',
  },
}

SCSS

$custom: #178d88;
$custom-light: #6dafaa;
$custom-dark: #000000;

JSON

{
  "hex": "#178d88",
  "rgb": {
    "r": 23,
    "g": 141,
    "b": 136
  },
  "hsl": {
    "h": 177.458,
    "s": 71.951,
    "l": 32.157
  },
  "oklch": {
    "l": 0.58292,
    "c": 0.09595,
    "h": 190.3
  },
  "luminance": 0.21009
}

Semantic roles & 50–950 ramp

primary

#178D88

secondary

#C04045

accent

#3941EF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#081010

muted

#7B7F7F

Preview Lab

Preview with #178D88

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

Preview Lab → · Contrast checker → · Palette generator →