#178C8E#178C8E

#178C8E is a mid, moderate teal. Relative luminance 0.209; OKLCH L 58.3% C 0.095 H 196.7°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#178C8E
RGB	rgb(23, 140, 142)
HSL	hsl(181, 72%, 32%)
HSV	hsv(181, 84%, 56%)
CMYK	cmyk(83.8%, 1.4%, 0%, 44.3%)
CIE-LAB	lab(52.83, -28.83, -9.78)
CIE-LCH	lch(52.83, 30.44, 198.75°)
OKLab	oklab(58.25% -0.0906 -0.0272)
OKLCH	oklch(58.25% 0.095 196.7)
XYZ	xyz(14.6116, 20.8895, 28.8479)
Luminance	0.2089 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#178C8E #8E1917

analogous

#178E54 #178C8E #17518E

triadic

#178C8E #8E178C #8C8E17

tetradic

#178C8E #54178E #8E1917 #518E17

square

#178C8E #54178E #8E1917 #518E17

split-complementary

#178C8E #8E1751 #8E5417

monochromatic

#062425 #0E5859 #178C8E #20C0C3 #3FDDE0

Accessibility & contrast

On white

4.06

#178C8E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#178C8E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #178C8E

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##178C8E	#FFFFFF	#000000	##000000
##178C8E	1.00	4.06	5.18	5.18
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#82858E

Deuteranopia (green-blind)

#72798F

Tritanopia (blue-blind)

#00918C

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #178c8e;
/* rgb */ color: rgb(23, 140, 142);
/* oklch */ color: oklch(58.3% 0.095 196.7);

Tailwind

colors: {
  custom: {
    50: '#6eaeaf',
    500: '#178c8e',
    950: '#000000',
  },
}

SCSS

$custom: #178c8e;
$custom-light: #6eaeaf;
$custom-dark: #000000;

JSON

{
  "hex": "#178c8e",
  "rgb": {
    "r": 23,
    "g": 140,
    "b": 142
  },
  "hsl": {
    "h": 181.008,
    "s": 72.121,
    "l": 32.353
  },
  "oklch": {
    "l": 0.58251,
    "c": 0.09459,
    "h": 196.7
  },
  "luminance": 0.20891
}

Semantic roles & 50–950 ramp

primary

#178C8E

secondary

#C04340

accent

#3C39EF

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #178C8E

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

Preview Lab → · Contrast checker → · Palette generator →