#218D8F#218D8F

#218D8F is a mid, moderate teal. Relative luminance 0.214; OKLCH L 58.7% C 0.092 H 196.8°. Best body text is #000000 at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#218D8F
RGB	rgb(33, 141, 143)
HSL	hsl(181, 63%, 35%)
HSV	hsv(181, 77%, 56%)
CMYK	cmyk(76.9%, 1.4%, 0%, 43.9%)
CIE-LAB	lab(53.34, -28.01, -9.59)
CIE-LCH	lch(53.34, 29.61, 198.90°)
OKLab	oklab(58.72% -0.088 -0.0266)
OKLCH	oklch(58.72% 0.092 196.8)
XYZ	xyz(15.1077, 21.3544, 29.3068)
Luminance	0.2136 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218D8F #8F2321

analogous

#218F5A #218D8F #21568F

triadic

#218D8F #8F218D #8D8F21

tetradic

#218D8F #5A218F #8F2321 #568F21

square

#218D8F #5A218F #8F2321 #568F21

split-complementary

#218D8F #8F2156 #8F5A21

monochromatic

#0A2B2C #165C5D #218D8F #2CBEC1 #53D5D7

Accessibility & contrast

On white

3.98

#218D8F on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.27

#218D8F on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218D8F

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218D8F	#FFFFFF	#000000	##000000
##218D8F	1.00	3.98	5.27	5.27
#FFFFFF	3.98	1.00	21.00	21.00
#000000	5.27	21.00	1.00	1.00
##000000	5.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#83868F

Deuteranopia (green-blind)

#737B90

Tritanopia (blue-blind)

#00928D

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #218d8f;
/* rgb */ color: rgb(33, 141, 143);
/* oklch */ color: oklch(58.7% 0.092 196.8);

Tailwind

colors: {
  custom: {
    50: '#71afaf',
    500: '#218d8f',
    950: '#000000',
  },
}

SCSS

$custom: #218d8f;
$custom-light: #71afaf;
$custom-dark: #000000;

JSON

{
  "hex": "#218d8f",
  "rgb": {
    "r": 33,
    "g": 141,
    "b": 143
  },
  "hsl": {
    "h": 181.091,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.58718,
    "c": 0.09197,
    "h": 196.8
  },
  "luminance": 0.21356
}

Semantic roles & 50–950 ramp

primary

#218D8F

secondary

#BB5351

accent

#4542E6

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #218D8F

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

Preview Lab → · Contrast checker → · Palette generator →