#178C90#178C90

#178C90 is a mid, moderate teal. Relative luminance 0.210; OKLCH L 58.3% C 0.095 H 198.6°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#178C90
RGB	rgb(23, 140, 144)
HSL	hsl(182, 72%, 33%)
HSV	hsv(182, 84%, 56%)
CMYK	cmyk(84%, 2.8%, 0%, 43.5%)
CIE-LAB	lab(52.89, -28.19, -10.84)
CIE-LCH	lch(52.89, 30.20, 201.04°)
OKLab	oklab(58.33% -0.0897 -0.0302)
OKLCH	oklch(58.33% 0.095 198.6)
XYZ	xyz(14.7632, 20.9501, 29.6458)
Luminance	0.2095 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178C90 #901B17

analogous

#179057 #178C90 #175090

triadic

#178C90 #90178C #8C9017

tetradic

#178C90 #571790 #901B17 #509017

square

#178C90 #571790 #901B17 #509017

split-complementary

#178C90 #901750 #905717

monochromatic

#062526 #0F595B #178C90 #1FBFC5 #41DBE1

Accessibility & contrast

On white

4.05

#178C90 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#178C90 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178C90

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178C90	#FFFFFF	#000000	##000000
##178C90	1.00	4.05	5.19	5.19
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818590

Deuteranopia (green-blind)

#717991

Tritanopia (blue-blind)

#00918D

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #178c90;
/* rgb */ color: rgb(23, 140, 144);
/* oklch */ color: oklch(58.3% 0.095 198.6);

Tailwind

colors: {
  custom: {
    50: '#6eaeb0',
    500: '#178c90',
    950: '#000000',
  },
}

SCSS

$custom: #178c90;
$custom-light: #6eaeb0;
$custom-dark: #000000;

JSON

{
  "hex": "#178c90",
  "rgb": {
    "r": 23,
    "g": 140,
    "b": 144
  },
  "hsl": {
    "h": 181.983,
    "s": 72.455,
    "l": 32.745
  },
  "oklch": {
    "l": 0.58327,
    "c": 0.09461,
    "h": 198.6
  },
  "luminance": 0.20952
}

Semantic roles & 50–950 ramp

primary

#178C90

secondary

#C14642

accent

#3F39EF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #178C90

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

Preview Lab → · Contrast checker → · Palette generator →