#178E8C#178E8C

#178E8C is a mid, moderate teal. Relative luminance 0.214; OKLCH L 58.7% C 0.096 H 193.0°. Best body text is #000000 at 5.28:1 contrast (WCAG AA passes).

Color values

HEX	#178E8C
RGB	rgb(23, 142, 140)
HSL	hsl(179, 72%, 32%)
HSV	hsv(179, 84%, 56%)
CMYK	cmyk(83.8%, 0%, 1.4%, 44.3%)
CIE-LAB	lab(53.41, -30.42, -7.76)
CIE-LCH	lch(53.41, 31.40, 194.31°)
OKLab	oklab(58.7% -0.0935 -0.0216)
OKLCH	oklch(58.7% 0.096 193)
XYZ	xyz(14.7577, 21.4197, 28.1625)
Luminance	0.2142 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178E8C #8E1719

analogous

#178E51 #178E8C #17548E

triadic

#178E8C #8C178E #8E8C17

tetradic

#178E8C #51178E #8E1719 #548E17

square

#178E8C #51178E #8E1719 #548E17

split-complementary

#178E8C #8E1754 #8E5117

monochromatic

#062524 #0E5958 #178E8C #20C3C0 #3FE0DD

Accessibility & contrast

On white

3.97

#178E8C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.28

#178E8C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178E8C

5.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178E8C	#FFFFFF	#000000	##000000
##178E8C	1.00	3.97	5.28	5.28
#FFFFFF	3.97	1.00	21.00	21.00
#000000	5.28	21.00	1.00	1.00
##000000	5.28	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84868C

Deuteranopia (green-blind)

#747B8D

Tritanopia (blue-blind)

#00938D

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #178e8c;
/* rgb */ color: rgb(23, 142, 140);
/* oklch */ color: oklch(58.7% 0.096 193.0);

Tailwind

colors: {
  custom: {
    50: '#6eafad',
    500: '#178e8c',
    950: '#000000',
  },
}

SCSS

$custom: #178e8c;
$custom-light: #6eafad;
$custom-dark: #000000;

JSON

{
  "hex": "#178e8c",
  "rgb": {
    "r": 23,
    "g": 142,
    "b": 140
  },
  "hsl": {
    "h": 178.992,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.58699,
    "c": 0.09599,
    "h": 193
  },
  "luminance": 0.21422
}

Semantic roles & 50–950 ramp

primary

#178E8C

secondary

#C04043

accent

#393CEF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #178E8C

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

Preview Lab → · Contrast checker → · Palette generator →