#218C9D#218C9D

#218C9D is a mid, moderate teal. Relative luminance 0.215; OKLCH L 59.0% C 0.094 H 211.0°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#218C9D
RGB	rgb(33, 140, 157)
HSL	hsl(188, 65%, 37%)
HSV	hsv(188, 79%, 62%)
CMYK	cmyk(79%, 10.8%, 0%, 38.4%)
CIE-LAB	lab(53.51, -23.01, -17.42)
CIE-LCH	lch(53.51, 28.86, 217.14°)
OKLab	oklab(59.02% -0.0808 -0.0486)
OKLCH	oklch(59.02% 0.094 211)
XYZ	xyz(16.0884, 21.5118, 35.1960)
Luminance	0.2151 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218C9D #9D3221

analogous

#219D70 #218C9D #214E9D

triadic

#218C9D #9D218C #8C9D21

tetradic

#218C9D #70219D #9D3221 #4E9D21

square

#218C9D #70219D #9D3221 #4E9D21

split-complementary

#218C9D #9D214E #9D7021

monochromatic

#0C3238 #165F6A #218C9D #2CB9D0 #5CCBDD

Accessibility & contrast

On white

3.96

#218C9D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#218C9D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218C9D

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218C9D	#FFFFFF	#000000	##000000
##218C9D	1.00	3.96	5.30	5.30
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.30	21.00	1.00	1.00
##000000	5.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E879E

Deuteranopia (green-blind)

#6E7B9D

Tritanopia (blue-blind)

#009391

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #218c9d;
/* rgb */ color: rgb(33, 140, 157);
/* oklch */ color: oklch(59.0% 0.094 211.0);

Tailwind

colors: {
  custom: {
    50: '#72aeba',
    500: '#218c9d',
    950: '#000000',
  },
}

SCSS

$custom: #218c9d;
$custom-light: #72aeba;
$custom-dark: #000000;

JSON

{
  "hex": "#218c9d",
  "rgb": {
    "r": 33,
    "g": 140,
    "b": 157
  },
  "hsl": {
    "h": 188.226,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.59017,
    "c": 0.09426,
    "h": 211
  },
  "luminance": 0.21514
}

Semantic roles & 50–950 ramp

primary

#218C9D

secondary

#C16759

accent

#5740E8

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #218C9D

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

Preview Lab → · Contrast checker → · Palette generator →