#218D9D#218D9D

#218D9D is a mid, moderate teal. Relative luminance 0.218; OKLCH L 59.3% C 0.094 H 210.0°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#218D9D
RGB	rgb(33, 141, 157)
HSL	hsl(188, 65%, 37%)
HSV	hsv(188, 79%, 62%)
CMYK	cmyk(79%, 10.2%, 0%, 38.4%)
CIE-LAB	lab(53.82, -23.52, -16.94)
CIE-LCH	lch(53.82, 28.99, 215.76°)
OKLab	oklab(59.27% -0.0818 -0.0472)
OKLCH	oklch(59.27% 0.094 210)
XYZ	xyz(16.2352, 21.8054, 35.2449)
Luminance	0.2181 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218D9D #9D3121

analogous

#219D6F #218D9D #214F9D

triadic

#218D9D #9D218D #8D9D21

tetradic

#218D9D #6F219D #9D3121 #4F9D21

square

#218D9D #6F219D #9D3121 #4F9D21

split-complementary

#218D9D #9D214F #9D6F21

monochromatic

#0C3238 #16606A #218D9D #2CBAD0 #5CCCDD

Accessibility & contrast

On white

3.92

#218D9D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#218D9D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218D9D

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218D9D	#FFFFFF	#000000	##000000
##218D9D	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F889E

Deuteranopia (green-blind)

#6F7B9D

Tritanopia (blue-blind)

#009492

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #218d9d;
/* rgb */ color: rgb(33, 141, 157);
/* oklch */ color: oklch(59.3% 0.094 210.0);

Tailwind

colors: {
  custom: {
    50: '#72aeba',
    500: '#218d9d',
    950: '#000000',
  },
}

SCSS

$custom: #218d9d;
$custom-light: #72aeba;
$custom-dark: #000000;

JSON

{
  "hex": "#218d9d",
  "rgb": {
    "r": 33,
    "g": 141,
    "b": 157
  },
  "hsl": {
    "h": 187.742,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.59271,
    "c": 0.09444,
    "h": 210
  },
  "luminance": 0.21807
}

Semantic roles & 50–950 ramp

primary

#218D9D

secondary

#C16659

accent

#5540E8

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #218D9D

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

Preview Lab → · Contrast checker → · Palette generator →