#218F8D#218F8D

#218F8D is a mid, moderate teal. Relative luminance 0.219; OKLCH L 59.2% C 0.093 H 193.1°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#218F8D
RGB	rgb(33, 143, 141)
HSL	hsl(179, 63%, 35%)
HSV	hsv(179, 77%, 56%)
CMYK	cmyk(76.9%, 0%, 1.4%, 43.9%)
CIE-LAB	lab(53.91, -29.61, -7.57)
CIE-LCH	lch(53.91, 30.56, 194.35°)
OKLab	oklab(59.16% -0.091 -0.0211)
OKLCH	oklch(59.16% 0.093 193.1)
XYZ	xyz(15.2551, 21.8895, 28.6152)
Luminance	0.2189 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218F8D #8F2123

analogous

#218F56 #218F8D #215A8F

triadic

#218F8D #8D218F #8F8D21

tetradic

#218F8D #56218F #8F2123 #5A8F21

square

#218F8D #56218F #8F2123 #5A8F21

split-complementary

#218F8D #8F215A #8F5621

monochromatic

#0A2C2B #165D5C #218F8D #2CC1BE #53D7D5

Accessibility & contrast

On white

3.90

#218F8D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#218F8D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218F8D

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218F8D	#FFFFFF	#000000	##000000
##218F8D	1.00	3.90	5.38	5.38
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#86878D

Deuteranopia (green-blind)

#767C8E

Tritanopia (blue-blind)

#00938E

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #218f8d;
/* rgb */ color: rgb(33, 143, 141);
/* oklch */ color: oklch(59.2% 0.093 193.1);

Tailwind

colors: {
  custom: {
    50: '#71b0ae',
    500: '#218f8d',
    950: '#000000',
  },
}

SCSS

$custom: #218f8d;
$custom-light: #71b0ae;
$custom-dark: #000000;

JSON

{
  "hex": "#218f8d",
  "rgb": {
    "r": 33,
    "g": 143,
    "b": 141
  },
  "hsl": {
    "h": 178.909,
    "s": 62.5,
    "l": 34.51
  },
  "oklch": {
    "l": 0.59163,
    "c": 0.09341,
    "h": 193.1
  },
  "luminance": 0.21891
}

Semantic roles & 50–950 ramp

primary

#218F8D

secondary

#BB5153

accent

#4245E6

background

#F7FAFA

surface

#EDF5F4

border

#C8CFCE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #218F8D

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

Preview Lab → · Contrast checker → · Palette generator →