#178689#178689

#178689 is a mid, moderate teal. Relative luminance 0.190; OKLCH L 56.5% C 0.091 H 197.8°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#178689
RGB	rgb(23, 134, 137)
HSL	hsl(182, 71%, 31%)
HSV	hsv(182, 83%, 54%)
CMYK	cmyk(83.2%, 2.2%, 0%, 46.3%)
CIE-LAB	lab(50.73, -27.45, -10.02)
CIE-LCH	lch(50.73, 29.23, 200.06°)
OKLab	oklab(56.49% -0.0869 -0.0279)
OKLCH	oklch(56.49% 0.091 197.8)
XYZ	xyz(13.3917, 19.0368, 26.6307)
Luminance	0.1904 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178689 #891A17

analogous

#178953 #178689 #174D89

triadic

#178689 #891786 #868917

tetradic

#178689 #531789 #891A17 #4D8917

square

#178689 #531789 #891A17 #4D8917

split-complementary

#178689 #89174D #895317

monochromatic

#051F20 #0E5355 #178689 #20B9BD #3CDADE

Accessibility & contrast

On white

4.37

#178689 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#178689 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178689

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178689	#FFFFFF	#000000	##000000
##178689	1.00	4.37	4.81	4.81
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C7F89

Deuteranopia (green-blind)

#6C748A

Tritanopia (blue-blind)

#008B87

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #178689;
/* rgb */ color: rgb(23, 134, 137);
/* oklch */ color: oklch(56.5% 0.091 197.8);

Tailwind

colors: {
  custom: {
    50: '#6ca9ab',
    500: '#178689',
    950: '#000000',
  },
}

SCSS

$custom: #178689;
$custom-light: #6ca9ab;
$custom-dark: #000000;

JSON

{
  "hex": "#178689",
  "rgb": {
    "r": 23,
    "g": 134,
    "b": 137
  },
  "hsl": {
    "h": 181.579,
    "s": 71.25,
    "l": 31.373
  },
  "oklch": {
    "l": 0.56491,
    "c": 0.09122,
    "h": 197.8
  },
  "luminance": 0.19038
}

Semantic roles & 50–950 ramp

primary

#178689

secondary

#BD423F

accent

#3F3AEE

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#081010

muted

#7B7F7F

Preview Lab

Preview with #178689

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

Preview Lab → · Contrast checker → · Palette generator →