#178990#178990

#178990 is a mid, moderate teal. Relative luminance 0.201; OKLCH L 57.5% C 0.093 H 201.5°. Best body text is #000000 at 5.02:1 contrast (WCAG AA passes).

Color values

HEX	#178990
RGB	rgb(23, 137, 144)
HSL	hsl(183, 72%, 33%)
HSV	hsv(183, 84%, 56%)
CMYK	cmyk(84%, 4.9%, 0%, 43.5%)
CIE-LAB	lab(51.93, -26.69, -12.29)
CIE-LCH	lch(51.93, 29.39, 204.72°)
OKLab	oklab(57.55% -0.0867 -0.0342)
OKLCH	oklch(57.55% 0.093 201.5)
XYZ	xyz(14.3308, 20.0853, 29.5017)
Luminance	0.2009 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178990 #901E17

analogous

#17905A #178990 #174C90

triadic

#178990 #901789 #899017

tetradic

#178990 #5A1790 #901E17 #4C9017

square

#178990 #5A1790 #901E17 #4C9017

split-complementary

#178990 #90174C #905A17

monochromatic

#062526 #0F575B #178990 #1FBBC5 #41D7E1

Accessibility & contrast

On white

4.19

#178990 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.02

#178990 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178990

5.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178990	#FFFFFF	#000000	##000000
##178990	1.00	4.19	5.02	5.02
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.02	21.00	1.00	1.00
##000000	5.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8391

Deuteranopia (green-blind)

#6E7790

Tritanopia (blue-blind)

#008F8B

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #178990;
/* rgb */ color: rgb(23, 137, 144);
/* oklch */ color: oklch(57.5% 0.093 201.5);

Tailwind

colors: {
  custom: {
    50: '#6eacb0',
    500: '#178990',
    950: '#000000',
  },
}

SCSS

$custom: #178990;
$custom-light: #6eacb0;
$custom-dark: #000000;

JSON

{
  "hex": "#178990",
  "rgb": {
    "r": 23,
    "g": 137,
    "b": 144
  },
  "hsl": {
    "h": 183.471,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.57546,
    "c": 0.09317,
    "h": 201.5
  },
  "luminance": 0.20087
}

Semantic roles & 50–950 ramp

primary

#178990

secondary

#C14942

accent

#4339EF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#081010

muted

#7B7F7F

Preview Lab

Preview with #178990

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

Preview Lab → · Contrast checker → · Palette generator →