#218D9A#218D9A

#218D9A is a mid, moderate teal. Relative luminance 0.217; OKLCH L 59.1% C 0.093 H 207.2°. Best body text is #000000 at 5.34:1 contrast (WCAG AA passes).

Color values

HEX	#218D9A
RGB	rgb(33, 141, 154)
HSL	hsl(186, 65%, 37%)
HSV	hsv(186, 79%, 60%)
CMYK	cmyk(78.6%, 8.4%, 0%, 39.6%)
CIE-LAB	lab(53.71, -24.51, -15.38)
CIE-LCH	lch(53.71, 28.93, 212.11°)
OKLab	oklab(59.15% -0.0831 -0.0428)
OKLCH	oklch(59.15% 0.093 207.2)
XYZ	xyz(15.9822, 21.7042, 33.9126)
Luminance	0.2171 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218D9A #9A2E21

analogous

#219A6B #218D9A #21519A

triadic

#218D9A #9A218D #8D9A21

tetradic

#218D9A #6B219A #9A2E21 #519A21

square

#218D9A #6B219A #9A2E21 #519A21

split-complementary

#218D9A #9A2151 #9A6B21

monochromatic

#0B3135 #165F68 #218D9A #2CBBCC #5ACEDC

Accessibility & contrast

On white

3.93

#218D9A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.34

#218D9A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218D9A

5.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218D9A	#FFFFFF	#000000	##000000
##218D9A	1.00	3.93	5.34	5.34
#FFFFFF	3.93	1.00	21.00	21.00
#000000	5.34	21.00	1.00	1.00
##000000	5.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#80879B

Deuteranopia (green-blind)

#707B9A

Tritanopia (blue-blind)

#009491

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #218d9a;
/* rgb */ color: rgb(33, 141, 154);
/* oklch */ color: oklch(59.1% 0.093 207.2);

Tailwind

colors: {
  custom: {
    50: '#72aeb7',
    500: '#218d9a',
    950: '#000000',
  },
}

SCSS

$custom: #218d9a;
$custom-light: #72aeb7;
$custom-dark: #000000;

JSON

{
  "hex": "#218d9a",
  "rgb": {
    "r": 33,
    "g": 141,
    "b": 154
  },
  "hsl": {
    "h": 186.446,
    "s": 64.706,
    "l": 36.667
  },
  "oklch": {
    "l": 0.59148,
    "c": 0.09346,
    "h": 207.2
  },
  "luminance": 0.21706
}

Semantic roles & 50–950 ramp

primary

#218D9A

secondary

#C06257

accent

#5240E8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #218D9A

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

Preview Lab → · Contrast checker → · Palette generator →