#178C8C#178C8C

#178C8C is a mid, moderate teal. Relative luminance 0.208; OKLCH L 58.2% C 0.095 H 194.9°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#178C8C
RGB	rgb(23, 140, 140)
HSL	hsl(180, 72%, 32%)
HSV	hsv(180, 84%, 55%)
CMYK	cmyk(83.6%, 0%, 0%, 45.1%)
CIE-LAB	lab(52.76, -29.45, -8.72)
CIE-LCH	lch(52.76, 30.72, 196.50°)
OKLab	oklab(58.18% -0.0915 -0.0243)
OKLCH	oklch(58.18% 0.095 194.9)
XYZ	xyz(14.4628, 20.8299, 28.0642)
Luminance	0.2083 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178C8C #8C1717

analogous

#178C52 #178C8C #17528C

triadic

#178C8C #8C178C #8C8C17

tetradic

#178C8C #52178C #8C1717 #528C17

square

#178C8C #52178C #8C1717 #528C17

split-complementary

#178C8C #8C1752 #8C5217

monochromatic

#062323 #0E5757 #178C8C #20C1C1 #3EDFDF

Accessibility & contrast

On white

4.06

#178C8C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#178C8C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178C8C

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178C8C	#FFFFFF	#000000	##000000
##178C8C	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82858C

Deuteranopia (green-blind)

#72798D

Tritanopia (blue-blind)

#00918C

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #178c8c;
/* rgb */ color: rgb(23, 140, 140);
/* oklch */ color: oklch(58.2% 0.095 194.9);

Tailwind

colors: {
  custom: {
    50: '#6eaead',
    500: '#178c8c',
    950: '#000000',
  },
}

SCSS

$custom: #178c8c;
$custom-light: #6eaead;
$custom-dark: #000000;

JSON

{
  "hex": "#178c8c",
  "rgb": {
    "r": 23,
    "g": 140,
    "b": 140
  },
  "hsl": {
    "h": 180,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.58176,
    "c": 0.09469,
    "h": 194.9
  },
  "luminance": 0.20832
}

Semantic roles & 50–950 ramp

primary

#178C8C

secondary

#BF3F3F

accent

#3939EF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#081010

muted

#7B7F7F

Preview Lab

Preview with #178C8C

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

Preview Lab → · Contrast checker → · Palette generator →