#218C9F#218C9F

#218C9F is a mid, moderate teal. Relative luminance 0.216; OKLCH L 59.1% C 0.095 H 212.8°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#218C9F
RGB	rgb(33, 140, 159)
HSL	hsl(189, 66%, 38%)
HSV	hsv(189, 79%, 62%)
CMYK	cmyk(79.2%, 11.9%, 0%, 37.6%)
CIE-LAB	lab(53.58, -22.34, -18.46)
CIE-LCH	lch(53.58, 28.98, 219.57°)
OKLab	oklab(59.1% -0.0799 -0.0515)
OKLCH	oklch(59.1% 0.095 212.8)
XYZ	xyz(16.2606, 21.5807, 36.1027)
Luminance	0.2158 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218C9F #9F3421

analogous

#219F73 #218C9F #214D9F

triadic

#218C9F #9F218C #8C9F21

tetradic

#218C9F #73219F #9F3421 #4D9F21

square

#218C9F #73219F #9F3421 #4D9F21

split-complementary

#218C9F #9F214D #9F7321

monochromatic

#0C333A #165F6C #218C9F #2CB9D2 #5DCADD

Accessibility & contrast

On white

3.95

#218C9F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#218C9F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218C9F

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218C9F	#FFFFFF	#000000	##000000
##218C9F	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E87A0

Deuteranopia (green-blind)

#6D7B9F

Tritanopia (blue-blind)

#009492

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #218c9f;
/* rgb */ color: rgb(33, 140, 159);
/* oklch */ color: oklch(59.1% 0.095 212.8);

Tailwind

colors: {
  custom: {
    50: '#73aebb',
    500: '#218c9f',
    950: '#000000',
  },
}

SCSS

$custom: #218c9f;
$custom-light: #73aebb;
$custom-dark: #000000;

JSON

{
  "hex": "#218c9f",
  "rgb": {
    "r": 33,
    "g": 140,
    "b": 159
  },
  "hsl": {
    "h": 189.048,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.59101,
    "c": 0.0951,
    "h": 212.8
  },
  "luminance": 0.21583
}

Semantic roles & 50–950 ramp

primary

#218C9F

secondary

#C26A5A

accent

#593FE9

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #218C9F

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

Preview Lab → · Contrast checker → · Palette generator →