#218E8C#218E8C

#218E8C is a mid, moderate teal. Relative luminance 0.216; OKLCH L 58.9% C 0.093 H 193.0°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#218E8C
RGB	rgb(33, 142, 140)
HSL	hsl(179, 62%, 34%)
HSV	hsv(179, 77%, 56%)
CMYK	cmyk(76.8%, 0%, 1.4%, 44.3%)
CIE-LAB	lab(53.56, -29.43, -7.52)
CIE-LCH	lch(53.56, 30.37, 194.34°)
OKLab	oklab(58.87% -0.0904 -0.0209)
OKLCH	oklch(58.87% 0.093 193)
XYZ	xyz(15.0316, 21.5609, 28.1753)
Luminance	0.2156 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218E8C #8E2123

analogous

#218E56 #218E8C #215A8E

triadic

#218E8C #8C218E #8E8C21

tetradic

#218E8C #56218E #8E2123 #5A8E21

square

#218E8C #56218E #8E2123 #5A8E21

split-complementary

#218E8C #8E215A #8E5621

monochromatic

#0A2B2A #155C5B #218E8C #2DC0BD #52D7D4

Accessibility & contrast

On white

3.95

#218E8C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#218E8C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218E8C

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218E8C	#FFFFFF	#000000	##000000
##218E8C	1.00	3.95	5.31	5.31
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#85878C

Deuteranopia (green-blind)

#757B8D

Tritanopia (blue-blind)

#00928D

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #218e8c;
/* rgb */ color: rgb(33, 142, 140);
/* oklch */ color: oklch(58.9% 0.093 193.0);

Tailwind

colors: {
  custom: {
    50: '#71afad',
    500: '#218e8c',
    950: '#000000',
  },
}

SCSS

$custom: #218e8c;
$custom-light: #71afad;
$custom-dark: #000000;

JSON

{
  "hex": "#218e8c",
  "rgb": {
    "r": 33,
    "g": 142,
    "b": 140
  },
  "hsl": {
    "h": 178.899,
    "s": 62.286,
    "l": 34.314
  },
  "oklch": {
    "l": 0.58867,
    "c": 0.09283,
    "h": 193
  },
  "luminance": 0.21563
}

Semantic roles & 50–950 ramp

primary

#218E8C

secondary

#BA5052

accent

#4245E5

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #218E8C

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

Preview Lab → · Contrast checker → · Palette generator →