#178F8C#178F8C

#178F8C is a mid, moderate teal. Relative luminance 0.217; OKLCH L 59.0% C 0.097 H 192.1°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#178F8C
RGB	rgb(23, 143, 140)
HSL	hsl(179, 72%, 33%)
HSV	hsv(179, 84%, 56%)
CMYK	cmyk(83.9%, 0%, 2.1%, 43.9%)
CIE-LAB	lab(53.73, -30.91, -7.28)
CIE-LCH	lch(53.73, 31.75, 193.26°)
OKLab	oklab(58.96% -0.0945 -0.0203)
OKLCH	oklch(58.96% 0.097 192.1)
XYZ	xyz(14.9072, 21.7186, 28.2123)
Luminance	0.2172 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178F8C #8F171A

analogous

#178F50 #178F8C #17568F

triadic

#178F8C #8C178F #8F8C17

tetradic

#178F8C #50178F #8F171A #568F17

square

#178F8C #50178F #8F171A #568F17

split-complementary

#178F8C #8F1756 #8F5017

monochromatic

#062625 #0F5A58 #178F8C #1FC4C0 #40E0DC

Accessibility & contrast

On white

3.93

#178F8C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#178F8C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178F8C

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178F8C	#FFFFFF	#000000	##000000
##178F8C	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#86878C

Deuteranopia (green-blind)

#767B8D

Tritanopia (blue-blind)

#00938E

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #178f8c;
/* rgb */ color: rgb(23, 143, 140);
/* oklch */ color: oklch(59.0% 0.097 192.1);

Tailwind

colors: {
  custom: {
    50: '#6eb0ad',
    500: '#178f8c',
    950: '#000000',
  },
}

SCSS

$custom: #178f8c;
$custom-light: #6eb0ad;
$custom-dark: #000000;

JSON

{
  "hex": "#178f8c",
  "rgb": {
    "r": 23,
    "g": 143,
    "b": 140
  },
  "hsl": {
    "h": 178.5,
    "s": 72.289,
    "l": 32.549
  },
  "oklch": {
    "l": 0.5896,
    "c": 0.09669,
    "h": 192.1
  },
  "luminance": 0.21721
}

Semantic roles & 50–950 ramp

primary

#178F8C

secondary

#C14144

accent

#393DEF

background

#F7FAFA

surface

#EDF5F4

border

#C8CFCE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #178F8C

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

Preview Lab → · Contrast checker → · Palette generator →