#178688#178688

#178688 is a mid, moderate teal. Relative luminance 0.190; OKLCH L 56.5% C 0.091 H 196.8°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#178688
RGB	rgb(23, 134, 136)
HSL	hsl(181, 71%, 31%)
HSV	hsv(181, 83%, 53%)
CMYK	cmyk(83.1%, 1.5%, 0%, 46.7%)
CIE-LAB	lab(50.70, -27.77, -9.49)
CIE-LCH	lch(50.70, 29.35, 198.86°)
OKLab	oklab(56.45% -0.0873 -0.0264)
OKLCH	oklch(56.45% 0.091 196.8)
XYZ	xyz(13.3203, 19.0082, 26.2547)
Luminance	0.1901 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178688 #881917

analogous

#178851 #178688 #174D88

triadic

#178688 #881786 #868817

tetradic

#178688 #511788 #881917 #4D8817

square

#178688 #511788 #881917 #4D8817

split-complementary

#178688 #88174D #885117

monochromatic

#051F1F #0E5254 #178688 #20BABC #3BDBDE

Accessibility & contrast

On white

4.37

#178688 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#178688 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178688

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178688	#FFFFFF	#000000	##000000
##178688	1.00	4.37	4.80	4.80
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C7F88

Deuteranopia (green-blind)

#6D7489

Tritanopia (blue-blind)

#008B86

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #178688;
/* rgb */ color: rgb(23, 134, 136);
/* oklch */ color: oklch(56.5% 0.091 196.8);

Tailwind

colors: {
  custom: {
    50: '#6ca9aa',
    500: '#178688',
    950: '#000000',
  },
}

SCSS

$custom: #178688;
$custom-light: #6ca9aa;
$custom-dark: #000000;

JSON

{
  "hex": "#178688",
  "rgb": {
    "r": 23,
    "g": 134,
    "b": 136
  },
  "hsl": {
    "h": 181.062,
    "s": 71.069,
    "l": 31.176
  },
  "oklch": {
    "l": 0.56452,
    "c": 0.09122,
    "h": 196.8
  },
  "luminance": 0.1901
}

Semantic roles & 50–950 ramp

primary

#178688

secondary

#BC413F

accent

#3D3AEE

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#081010

muted

#7B7F7F

Preview Lab

Preview with #178688

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

Preview Lab → · Contrast checker → · Palette generator →