#178E88#178E88

#178E88 is a mid, moderate teal. Relative luminance 0.213; OKLCH L 58.6% C 0.097 H 189.4°. Best body text is #000000 at 5.26:1 contrast (WCAG AA passes).

Color values

HEX	#178E88
RGB	rgb(23, 142, 136)
HSL	hsl(177, 72%, 32%)
HSV	hsv(177, 84%, 56%)
CMYK	cmyk(83.8%, 0%, 4.2%, 44.3%)
CIE-LAB	lab(53.28, -31.65, -5.64)
CIE-LCH	lch(53.28, 32.15, 190.10°)
OKLab	oklab(58.56% -0.0954 -0.0158)
OKLCH	oklch(58.56% 0.097 189.4)
XYZ	xyz(14.4681, 21.3039, 26.6373)
Luminance	0.2131 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178E88 #8E171D

analogous

#178E4D #178E88 #17588E

triadic

#178E88 #88178E #8E8817

tetradic

#178E88 #4D178E #8E171D #588E17

square

#178E88 #4D178E #8E171D #588E17

split-complementary

#178E88 #8E1758 #8E4D17

monochromatic

#062523 #0E5956 #178E88 #20C3BA #3FE0D8

Accessibility & contrast

On white

3.99

#178E88 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.26

#178E88 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178E88

5.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178E88	#FFFFFF	#000000	##000000
##178E88	1.00	3.99	5.26	5.26
#FFFFFF	3.99	1.00	21.00	21.00
#000000	5.26	21.00	1.00	1.00
##000000	5.26	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#858688

Deuteranopia (green-blind)

#767A89

Tritanopia (blue-blind)

#00928C

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #178e88;
/* rgb */ color: rgb(23, 142, 136);
/* oklch */ color: oklch(58.6% 0.097 189.4);

Tailwind

colors: {
  custom: {
    50: '#6eafaa',
    500: '#178e88',
    950: '#000000',
  },
}

SCSS

$custom: #178e88;
$custom-light: #6eafaa;
$custom-dark: #000000;

JSON

{
  "hex": "#178e88",
  "rgb": {
    "r": 23,
    "g": 142,
    "b": 136
  },
  "hsl": {
    "h": 176.975,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.58555,
    "c": 0.09671,
    "h": 189.4
  },
  "luminance": 0.21306
}

Semantic roles & 50–950 ramp

primary

#178E88

secondary

#C04047

accent

#3942EF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#081010

muted

#7B7F7F

Preview Lab

Preview with #178E88

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

Preview Lab → · Contrast checker → · Palette generator →