#178C8A#178C8A

#178C8A is a mid, moderate teal. Relative luminance 0.208; OKLCH L 58.1% C 0.095 H 193.0°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#178C8A
RGB	rgb(23, 140, 138)
HSL	hsl(179, 72%, 32%)
HSV	hsv(179, 84%, 55%)
CMYK	cmyk(83.6%, 0%, 1.4%, 45.1%)
CIE-LAB	lab(52.70, -30.08, -7.66)
CIE-LCH	lch(52.70, 31.04, 194.29°)
OKLab	oklab(58.1% -0.0924 -0.0214)
OKLCH	oklch(58.1% 0.095 193)
XYZ	xyz(14.3167, 20.7715, 27.2946)
Luminance	0.2077 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178C8A #8C1719

analogous

#178C4F #178C8A #17548C

triadic

#178C8A #8A178C #8C8A17

tetradic

#178C8A #4F178C #8C1719 #548C17

square

#178C8A #4F178C #8C1719 #548C17

split-complementary

#178C8A #8C1754 #8C4F17

monochromatic

#062322 #0E5756 #178C8A #20C1BE #3EDFDD

Accessibility & contrast

On white

4.07

#178C8A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#178C8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178C8A

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178C8A	#FFFFFF	#000000	##000000
##178C8A	1.00	4.07	5.15	5.15
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83848A

Deuteranopia (green-blind)

#73798B

Tritanopia (blue-blind)

#00908B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #178c8a;
/* rgb */ color: rgb(23, 140, 138);
/* oklch */ color: oklch(58.1% 0.095 193.0);

Tailwind

colors: {
  custom: {
    50: '#6eaeac',
    500: '#178c8a',
    950: '#000000',
  },
}

SCSS

$custom: #178c8a;
$custom-light: #6eaeac;
$custom-dark: #000000;

JSON

{
  "hex": "#178c8a",
  "rgb": {
    "r": 23,
    "g": 140,
    "b": 138
  },
  "hsl": {
    "h": 178.974,
    "s": 71.779,
    "l": 31.961
  },
  "oklch": {
    "l": 0.58102,
    "c": 0.09489,
    "h": 193
  },
  "luminance": 0.20773
}

Semantic roles & 50–950 ramp

primary

#178C8A

secondary

#BF3F42

accent

#393CEF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#081010

muted

#7B7F7F

Preview Lab

Preview with #178C8A

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

Preview Lab → · Contrast checker → · Palette generator →