#218A9C#218A9C

#218A9C is a mid, moderate teal. Relative luminance 0.209; OKLCH L 58.5% C 0.094 H 212.2°. Best body text is #000000 at 5.18:1 contrast (WCAG AA passes).

Color values

HEX	#218A9C
RGB	rgb(33, 138, 156)
HSL	hsl(189, 65%, 37%)
HSV	hsv(189, 79%, 61%)
CMYK	cmyk(78.8%, 11.5%, 0%, 38.8%)
CIE-LAB	lab(52.84, -22.30, -17.86)
CIE-LCH	lch(52.84, 28.57, 218.70°)
OKLab	oklab(58.47% -0.0792 -0.0498)
OKLCH	oklch(58.47% 0.094 212.2)
XYZ	xyz(15.7138, 20.8987, 34.6517)
Luminance	0.2090 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218A9C #9C3321

analogous

#219C70 #218A9C #214D9C

triadic

#218A9C #9C218A #8A9C21

tetradic

#218A9C #70219C #9C3321 #4D9C21

square

#218A9C #70219C #9C3321 #4D9C21

split-complementary

#218A9C #9C214D #9C7021

monochromatic

#0C3137 #165D69 #218A9C #2CB7CF #5BC9DC

Accessibility & contrast

On white

4.05

#218A9C on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.18

#218A9C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218A9C

5.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218A9C	#FFFFFF	#000000	##000000
##218A9C	1.00	4.05	5.18	5.18
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.18	21.00	1.00	1.00
##000000	5.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C859D

Deuteranopia (green-blind)

#6C799C

Tritanopia (blue-blind)

#009190

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #218a9c;
/* rgb */ color: rgb(33, 138, 156);
/* oklch */ color: oklch(58.5% 0.094 212.2);

Tailwind

colors: {
  custom: {
    50: '#72acb9',
    500: '#218a9c',
    950: '#000000',
  },
}

SCSS

$custom: #218a9c;
$custom-light: #72acb9;
$custom-dark: #000000;

JSON

{
  "hex": "#218a9c",
  "rgb": {
    "r": 33,
    "g": 138,
    "b": 156
  },
  "hsl": {
    "h": 188.78,
    "s": 65.079,
    "l": 37.059
  },
  "oklch": {
    "l": 0.58466,
    "c": 0.09356,
    "h": 212.2
  },
  "luminance": 0.20901
}

Semantic roles & 50–950 ramp

primary

#218A9C

secondary

#C16758

accent

#5840E8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #218A9C

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

Preview Lab → · Contrast checker → · Palette generator →