#178B8E#178B8E

#178B8E is a mid, moderate teal. Relative luminance 0.206; OKLCH L 58.0% C 0.094 H 197.7°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#178B8E
RGB	rgb(23, 139, 142)
HSL	hsl(182, 72%, 32%)
HSV	hsv(182, 84%, 56%)
CMYK	cmyk(83.8%, 2.1%, 0%, 44.3%)
CIE-LAB	lab(52.51, -28.33, -10.27)
CIE-LCH	lch(52.51, 30.14, 199.92°)
OKLab	oklab(57.99% -0.0896 -0.0286)
OKLCH	oklch(57.99% 0.094 197.7)
XYZ	xyz(14.4662, 20.5985, 28.7994)
Luminance	0.2060 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178B8E #8E1A17

analogous

#178E56 #178B8E #174F8E

triadic

#178B8E #8E178B #8B8E17

tetradic

#178B8E #56178E #8E1A17 #4F8E17

square

#178B8E #56178E #8E1A17 #4F8E17

split-complementary

#178B8E #8E174F #8E5617

monochromatic

#062425 #0E5759 #178B8E #20BFC3 #3FDCE0

Accessibility & contrast

On white

4.10

#178B8E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#178B8E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178B8E

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178B8E	#FFFFFF	#000000	##000000
##178B8E	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#80848E

Deuteranopia (green-blind)

#71788F

Tritanopia (blue-blind)

#00908C

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #178b8e;
/* rgb */ color: rgb(23, 139, 142);
/* oklch */ color: oklch(58.0% 0.094 197.7);

Tailwind

colors: {
  custom: {
    50: '#6eadaf',
    500: '#178b8e',
    950: '#000000',
  },
}

SCSS

$custom: #178b8e;
$custom-light: #6eadaf;
$custom-dark: #000000;

JSON

{
  "hex": "#178b8e",
  "rgb": {
    "r": 23,
    "g": 139,
    "b": 142
  },
  "hsl": {
    "h": 181.513,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.5799,
    "c": 0.09402,
    "h": 197.7
  },
  "luminance": 0.206
}

Semantic roles & 50–950 ramp

primary

#178B8E

secondary

#C04440

accent

#3E39EF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#081010

muted

#7B7F7F

Preview Lab

Preview with #178B8E

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

Preview Lab → · Contrast checker → · Palette generator →