#178A88#178A88

#178A88 is a mid, moderate teal. Relative luminance 0.201; OKLCH L 57.5% C 0.094 H 193.0°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#178A88
RGB	rgb(23, 138, 136)
HSL	hsl(179, 71%, 32%)
HSV	hsv(179, 83%, 54%)
CMYK	cmyk(83.3%, 0%, 1.4%, 45.9%)
CIE-LAB	lab(51.99, -29.73, -7.56)
CIE-LCH	lch(51.99, 30.68, 194.26°)
OKLab	oklab(57.5% -0.0914 -0.0211)
OKLCH	oklch(57.5% 0.094 193)
XYZ	xyz(13.8837, 20.1349, 26.4425)
Luminance	0.2014 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178A88 #8A1719

analogous

#178A4F #178A88 #17538A

triadic

#178A88 #88178A #8A8817

tetradic

#178A88 #4F178A #8A1719 #538A17

square

#178A88 #4F178A #8A1719 #538A17

split-complementary

#178A88 #8A1753 #8A4F17

monochromatic

#062121 #0E5654 #178A88 #20BEBC #3DDFDC

Accessibility & contrast

On white

4.18

#178A88 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#178A88 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178A88

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178A88	#FFFFFF	#000000	##000000
##178A88	1.00	4.18	5.03	5.03
#FFFFFF	4.18	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818388

Deuteranopia (green-blind)

#717789

Tritanopia (blue-blind)

#008E89

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #178a88;
/* rgb */ color: rgb(23, 138, 136);
/* oklch */ color: oklch(57.5% 0.094 193.0);

Tailwind

colors: {
  custom: {
    50: '#6dacaa',
    500: '#178a88',
    950: '#000000',
  },
}

SCSS

$custom: #178a88;
$custom-light: #6dacaa;
$custom-dark: #000000;

JSON

{
  "hex": "#178a88",
  "rgb": {
    "r": 23,
    "g": 138,
    "b": 136
  },
  "hsl": {
    "h": 178.957,
    "s": 71.429,
    "l": 31.569
  },
  "oklch": {
    "l": 0.57504,
    "c": 0.09377,
    "h": 193
  },
  "luminance": 0.20137
}

Semantic roles & 50–950 ramp

primary

#178A88

secondary

#BE3F41

accent

#3A3DEE

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#081010

muted

#7B7F7F

Preview Lab

Preview with #178A88

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

Preview Lab → · Contrast checker → · Palette generator →