#218E8F#218E8F

#218E8F is a mid, moderate teal. Relative luminance 0.217; OKLCH L 59.0% C 0.093 H 195.9°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#218E8F
RGB	rgb(33, 142, 143)
HSL	hsl(181, 63%, 35%)
HSV	hsv(181, 77%, 56%)
CMYK	cmyk(76.9%, 0.7%, 0%, 43.9%)
CIE-LAB	lab(53.65, -28.51, -9.11)
CIE-LCH	lch(53.65, 29.93, 197.72°)
OKLab	oklab(58.98% -0.089 -0.0253)
OKLCH	oklch(58.98% 0.093 195.9)
XYZ	xyz(15.2558, 21.6506, 29.3562)
Luminance	0.2165 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218E8F #8F2221

analogous

#218F59 #218E8F #21578F

triadic

#218E8F #8F218E #8E8F21

tetradic

#218E8F #59218F #8F2221 #578F21

square

#218E8F #59218F #8F2221 #578F21

split-complementary

#218E8F #8F2157 #8F5921

monochromatic

#0A2B2C #165D5D #218E8F #2CBFC1 #53D6D7

Accessibility & contrast

On white

3.94

#218E8F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#218E8F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218E8F

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218E8F	#FFFFFF	#000000	##000000
##218E8F	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	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: #218e8f;
/* rgb */ color: rgb(33, 142, 143);
/* oklch */ color: oklch(59.0% 0.093 195.9);

Tailwind

colors: {
  custom: {
    50: '#71afaf',
    500: '#218e8f',
    950: '#000000',
  },
}

SCSS

$custom: #218e8f;
$custom-light: #71afaf;
$custom-dark: #000000;

JSON

{
  "hex": "#218e8f",
  "rgb": {
    "r": 33,
    "g": 142,
    "b": 143
  },
  "hsl": {
    "h": 180.545,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.58977,
    "c": 0.09258,
    "h": 195.9
  },
  "luminance": 0.21653
}

Semantic roles & 50–950 ramp

primary

#218E8F

secondary

#BB5251

accent

#4442E6

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #218E8F

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

Preview Lab → · Contrast checker → · Palette generator →