#218D9E#218D9E

#218D9E is a mid, moderate teal. Relative luminance 0.218; OKLCH L 59.3% C 0.095 H 210.9°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#218D9E
RGB	rgb(33, 141, 158)
HSL	hsl(188, 65%, 37%)
HSV	hsv(188, 79%, 62%)
CMYK	cmyk(79.1%, 10.8%, 0%, 38%)
CIE-LAB	lab(53.86, -23.20, -17.46)
CIE-LCH	lch(53.86, 29.03, 216.98°)
OKLab	oklab(59.31% -0.0814 -0.0487)
OKLCH	oklch(59.31% 0.095 210.9)
XYZ	xyz(16.3209, 21.8397, 35.6964)
Luminance	0.2184 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218D9E #9E3221

analogous

#219E71 #218D9E #214F9E

triadic

#218D9E #9E218D #8D9E21

tetradic

#218D9E #71219E #9E3221 #4F9E21

square

#218D9E #71219E #9E3221 #4F9E21

split-complementary

#218D9E #9E214F #9E7121

monochromatic

#0C3339 #16606B #218D9E #2CBAD1 #5CCCDD

Accessibility & contrast

On white

3.91

#218D9E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#218D9E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218D9E

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218D9E	#FFFFFF	#000000	##000000
##218D9E	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F889F

Deuteranopia (green-blind)

#6E7B9E

Tritanopia (blue-blind)

#009492

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #218d9e;
/* rgb */ color: rgb(33, 141, 158);
/* oklch */ color: oklch(59.3% 0.095 210.9);

Tailwind

colors: {
  custom: {
    50: '#73aeba',
    500: '#218d9e',
    950: '#000000',
  },
}

SCSS

$custom: #218d9e;
$custom-light: #73aeba;
$custom-dark: #000000;

JSON

{
  "hex": "#218d9e",
  "rgb": {
    "r": 33,
    "g": 141,
    "b": 158
  },
  "hsl": {
    "h": 188.16,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.59313,
    "c": 0.09481,
    "h": 210.9
  },
  "luminance": 0.21842
}

Semantic roles & 50–950 ramp

primary

#218D9E

secondary

#C16859

accent

#563FE8

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #218D9E

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

Preview Lab → · Contrast checker → · Palette generator →