#218D99#218D99

#218D99 is a mid, moderate teal. Relative luminance 0.217; OKLCH L 59.1% C 0.093 H 206.3°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#218D99
RGB	rgb(33, 141, 153)
HSL	hsl(186, 65%, 36%)
HSV	hsv(186, 78%, 60%)
CMYK	cmyk(78.4%, 7.8%, 0%, 40%)
CIE-LAB	lab(53.68, -24.83, -14.85)
CIE-LCH	lch(53.68, 28.94, 210.89°)
OKLab	oklab(59.11% -0.0835 -0.0413)
OKLCH	oklch(59.11% 0.093 206.3)
XYZ	xyz(15.8993, 21.6710, 33.4758)
Luminance	0.2167 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218D99 #992D21

analogous

#219969 #218D99 #215199

triadic

#218D99 #99218D #8D9921

tetradic

#218D99 #692199 #992D21 #519921

square

#218D99 #692199 #992D21 #519921

split-complementary

#218D99 #992151 #996921

monochromatic

#0B3034 #165F67 #218D99 #2CBBCB #59CEDB

Accessibility & contrast

On white

3.94

#218D99 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#218D99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218D99

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218D99	#FFFFFF	#000000	##000000
##218D99	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)

#80879A

Deuteranopia (green-blind)

#707B99

Tritanopia (blue-blind)

#009391

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #218d99;
/* rgb */ color: rgb(33, 141, 153);
/* oklch */ color: oklch(59.1% 0.093 206.3);

Tailwind

colors: {
  custom: {
    50: '#72aeb7',
    500: '#218d99',
    950: '#000000',
  },
}

SCSS

$custom: #218d99;
$custom-light: #72aeb7;
$custom-dark: #000000;

JSON

{
  "hex": "#218d99",
  "rgb": {
    "r": 33,
    "g": 141,
    "b": 153
  },
  "hsl": {
    "h": 186,
    "s": 64.516,
    "l": 36.471
  },
  "oklch": {
    "l": 0.59107,
    "c": 0.09319,
    "h": 206.3
  },
  "luminance": 0.21673
}

Semantic roles & 50–950 ramp

primary

#218D99

secondary

#BF6156

accent

#5140E8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #218D99

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

Preview Lab → · Contrast checker → · Palette generator →