#178E8F#178E8F

#178E8F is a mid, moderate teal. Relative luminance 0.215; OKLCH L 58.8% C 0.096 H 195.8°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#178E8F
RGB	rgb(23, 142, 143)
HSL	hsl(181, 72%, 33%)
HSV	hsv(181, 84%, 56%)
CMYK	cmyk(83.9%, 0.7%, 0%, 43.9%)
CIE-LAB	lab(53.50, -29.49, -9.35)
CIE-LCH	lch(53.50, 30.93, 197.60°)
OKLab	oklab(58.81% -0.0921 -0.026)
OKLCH	oklch(58.81% 0.096 195.8)
XYZ	xyz(14.9820, 21.5094, 29.3434)
Luminance	0.2151 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178E8F #8F1817

analogous

#178F54 #178E8F #17528F

triadic

#178E8F #8F178E #8E8F17

tetradic

#178E8F #54178F #8F1817 #528F17

square

#178E8F #54178F #8F1817 #528F17

split-complementary

#178E8F #8F1752 #8F5417

monochromatic

#062526 #0F5A5A #178E8F #1FC2C4 #40DFE0

Accessibility & contrast

On white

3.96

#178E8F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#178E8F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178E8F

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178E8F	#FFFFFF	#000000	##000000
##178E8F	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84878F

Deuteranopia (green-blind)

#747B90

Tritanopia (blue-blind)

#00938E

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #178e8f;
/* rgb */ color: rgb(23, 142, 143);
/* oklch */ color: oklch(58.8% 0.096 195.8);

Tailwind

colors: {
  custom: {
    50: '#6eafaf',
    500: '#178e8f',
    950: '#000000',
  },
}

SCSS

$custom: #178e8f;
$custom-light: #6eafaf;
$custom-dark: #000000;

JSON

{
  "hex": "#178e8f",
  "rgb": {
    "r": 23,
    "g": 142,
    "b": 143
  },
  "hsl": {
    "h": 180.5,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.5881,
    "c": 0.09574,
    "h": 195.8
  },
  "luminance": 0.21511
}

Semantic roles & 50–950 ramp

primary

#178E8F

secondary

#C14241

accent

#3A39EF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #178E8F

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

Preview Lab → · Contrast checker → · Palette generator →