#218E9F#218E9F

#218E9F is a mid, moderate teal. Relative luminance 0.222; OKLCH L 59.6% C 0.095 H 210.8°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#218E9F
RGB	rgb(33, 142, 159)
HSL	hsl(188, 66%, 38%)
HSV	hsv(188, 79%, 62%)
CMYK	cmyk(79.2%, 10.7%, 0%, 37.6%)
CIE-LAB	lab(54.21, -23.38, -17.51)
CIE-LCH	lch(54.21, 29.21, 216.82°)
OKLab	oklab(59.61% -0.0819 -0.0488)
OKLCH	oklch(59.61% 0.095 210.8)
XYZ	xyz(16.5555, 22.1705, 36.2009)
Luminance	0.2217 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218E9F #9F3221

analogous

#219F71 #218E9F #214F9F

triadic

#218E9F #9F218E #8E9F21

tetradic

#218E9F #71219F #9F3221 #4F9F21

square

#218E9F #71219F #9F3221 #4F9F21

split-complementary

#218E9F #9F214F #9F7121

monochromatic

#0C333A #16616C #218E9F #2CBBD2 #5DCCDD

Accessibility & contrast

On white

3.86

#218E9F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#218E9F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218E9F

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218E9F	#FFFFFF	#000000	##000000
##218E9F	1.00	3.86	5.43	5.43
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#8089A0

Deuteranopia (green-blind)

#6F7C9F

Tritanopia (blue-blind)

#009593

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #218e9f;
/* rgb */ color: rgb(33, 142, 159);
/* oklch */ color: oklch(59.6% 0.095 210.8);

Tailwind

colors: {
  custom: {
    50: '#73afbb',
    500: '#218e9f',
    950: '#000000',
  },
}

SCSS

$custom: #218e9f;
$custom-light: #73afbb;
$custom-dark: #000000;

JSON

{
  "hex": "#218e9f",
  "rgb": {
    "r": 33,
    "g": 142,
    "b": 159
  },
  "hsl": {
    "h": 188.095,
    "s": 65.625,
    "l": 37.647
  },
  "oklch": {
    "l": 0.59608,
    "c": 0.09536,
    "h": 210.8
  },
  "luminance": 0.22173
}

Semantic roles & 50–950 ramp

primary

#218E9F

secondary

#C2685A

accent

#563FE9

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #218E9F

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

Preview Lab → · Contrast checker → · Palette generator →