#218C9C#218C9C

#218C9C is a mid, moderate teal. Relative luminance 0.215; OKLCH L 59.0% C 0.094 H 210.1°. Best body text is #000000 at 5.30:1 contrast (WCAG AA passes).

Color values

HEX	#218C9C
RGB	rgb(33, 140, 156)
HSL	hsl(188, 65%, 37%)
HSV	hsv(188, 79%, 61%)
CMYK	cmyk(78.8%, 10.3%, 0%, 38.8%)
CIE-LAB	lab(53.47, -23.34, -16.90)
CIE-LCH	lch(53.47, 28.81, 215.91°)
OKLab	oklab(58.98% -0.0812 -0.0471)
OKLCH	oklch(58.98% 0.094 210.1)
XYZ	xyz(16.0034, 21.4778, 34.7482)
Luminance	0.2148 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218C9C #9C3121

analogous

#219C6F #218C9C #214F9C

triadic

#218C9C #9C218C #8C9C21

tetradic

#218C9C #6F219C #9C3121 #4F9C21

square

#218C9C #6F219C #9C3121 #4F9C21

split-complementary

#218C9C #9C214F #9C6F21

monochromatic

#0C3137 #165F69 #218C9C #2CB9CF #5BCCDC

Accessibility & contrast

On white

3.97

#218C9C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.30

#218C9C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218C9C

5.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218C9C	#FFFFFF	#000000	##000000
##218C9C	1.00	3.97	5.30	5.30
#FFFFFF	3.97	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)

#7E879D

Deuteranopia (green-blind)

#6E7B9C

Tritanopia (blue-blind)

#009391

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #218c9c;
/* rgb */ color: rgb(33, 140, 156);
/* oklch */ color: oklch(59.0% 0.094 210.1);

Tailwind

colors: {
  custom: {
    50: '#72aeb9',
    500: '#218c9c',
    950: '#000000',
  },
}

SCSS

$custom: #218c9c;
$custom-light: #72aeb9;
$custom-dark: #000000;

JSON

{
  "hex": "#218c9c",
  "rgb": {
    "r": 33,
    "g": 140,
    "b": 156
  },
  "hsl": {
    "h": 187.805,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.58975,
    "c": 0.09388,
    "h": 210.1
  },
  "luminance": 0.2148
}

Semantic roles & 50–950 ramp

primary

#218C9C

secondary

#C16658

accent

#5640E8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #218C9C

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

Preview Lab → · Contrast checker → · Palette generator →