#218F91#218F91

#218F91 is a mid, moderate teal. Relative luminance 0.220; OKLCH L 59.3% C 0.093 H 196.8°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#218F91
RGB	rgb(33, 143, 145)
HSL	hsl(181, 63%, 35%)
HSV	hsv(181, 77%, 57%)
CMYK	cmyk(77.2%, 1.4%, 0%, 43.1%)
CIE-LAB	lab(54.04, -28.38, -9.69)
CIE-LCH	lch(54.04, 29.99, 198.85°)
OKLab	oklab(59.31% -0.0891 -0.0269)
OKLCH	oklch(59.31% 0.093 196.8)
XYZ	xyz(15.5582, 22.0107, 30.2111)
Luminance	0.2201 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218F91 #912321

analogous

#21915B #218F91 #215791

triadic

#218F91 #91218F #8F9121

tetradic

#218F91 #5B2191 #912321 #579121

square

#218F91 #5B2191 #912321 #579121

split-complementary

#218F91 #912157 #915B21

monochromatic

#0A2D2D #165E5F #218F91 #2CC0C3 #54D6D8

Accessibility & contrast

On white

3.89

#218F91 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#218F91 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218F91

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218F91	#FFFFFF	#000000	##000000
##218F91	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#858891

Deuteranopia (green-blind)

#757C92

Tritanopia (blue-blind)

#00948F

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #218f91;
/* rgb */ color: rgb(33, 143, 145);
/* oklch */ color: oklch(59.3% 0.093 196.8);

Tailwind

colors: {
  custom: {
    50: '#71b0b1',
    500: '#218f91',
    950: '#000000',
  },
}

SCSS

$custom: #218f91;
$custom-light: #71b0b1;
$custom-dark: #000000;

JSON

{
  "hex": "#218f91",
  "rgb": {
    "r": 33,
    "g": 143,
    "b": 145
  },
  "hsl": {
    "h": 181.071,
    "s": 62.921,
    "l": 34.902
  },
  "oklch": {
    "l": 0.5931,
    "c": 0.09313,
    "h": 196.8
  },
  "luminance": 0.22013
}

Semantic roles & 50–950 ramp

primary

#218F91

secondary

#BC5452

accent

#4542E6

background

#F7FAFA

surface

#EDF5F5

border

#C8CFCF

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #218F91

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

Preview Lab → · Contrast checker → · Palette generator →