#218C9E#218C9E

#218C9E is a mid, moderate teal. Relative luminance 0.215; OKLCH L 59.1% C 0.095 H 211.9°. Best body text is #000000 at 5.31:1 contrast (WCAG AA passes).

Color values

HEX	#218C9E
RGB	rgb(33, 140, 158)
HSL	hsl(189, 65%, 37%)
HSV	hsv(189, 79%, 62%)
CMYK	cmyk(79.1%, 11.4%, 0%, 38%)
CIE-LAB	lab(53.54, -22.67, -17.94)
CIE-LCH	lch(53.54, 28.92, 218.36°)
OKLab	oklab(59.06% -0.0804 -0.05)
OKLCH	oklch(59.06% 0.095 211.9)
XYZ	xyz(16.1742, 21.5461, 35.6475)
Luminance	0.2155 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218C9E #9E3321

analogous

#219E72 #218C9E #214E9E

triadic

#218C9E #9E218C #8C9E21

tetradic

#218C9E #72219E #9E3321 #4E9E21

square

#218C9E #72219E #9E3321 #4E9E21

split-complementary

#218C9E #9E214E #9E7221

monochromatic

#0C3239 #165F6B #218C9E #2CB9D1 #5CCBDD

Accessibility & contrast

On white

3.96

#218C9E on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.31

#218C9E on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218C9E

5.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218C9E	#FFFFFF	#000000	##000000
##218C9E	1.00	3.96	5.31	5.31
#FFFFFF	3.96	1.00	21.00	21.00
#000000	5.31	21.00	1.00	1.00
##000000	5.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E879F

Deuteranopia (green-blind)

#6D7B9E

Tritanopia (blue-blind)

#009392

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #218c9e;
/* rgb */ color: rgb(33, 140, 158);
/* oklch */ color: oklch(59.1% 0.095 211.9);

Tailwind

colors: {
  custom: {
    50: '#72aeba',
    500: '#218c9e',
    950: '#000000',
  },
}

SCSS

$custom: #218c9e;
$custom-light: #72aeba;
$custom-dark: #000000;

JSON

{
  "hex": "#218c9e",
  "rgb": {
    "r": 33,
    "g": 140,
    "b": 158
  },
  "hsl": {
    "h": 188.64,
    "s": 65.445,
    "l": 37.451
  },
  "oklch": {
    "l": 0.59059,
    "c": 0.09466,
    "h": 211.9
  },
  "luminance": 0.21548
}

Semantic roles & 50–950 ramp

primary

#218C9E

secondary

#C16859

accent

#583FE8

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #218C9E

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

Preview Lab → · Contrast checker → · Palette generator →