#218D8A#218D8A

#218D8A is a mid, moderate teal. Relative luminance 0.212; OKLCH L 58.5% C 0.092 H 192.1°. Best body text is #000000 at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#218D8A
RGB	rgb(33, 141, 138)
HSL	hsl(178, 62%, 34%)
HSV	hsv(178, 77%, 55%)
CMYK	cmyk(76.6%, 0%, 2.1%, 44.7%)
CIE-LAB	lab(53.17, -29.55, -6.93)
CIE-LCH	lch(53.17, 30.35, 193.21°)
OKLab	oklab(58.53% -0.0903 -0.0193)
OKLCH	oklch(58.53% 0.092 192.1)
XYZ	xyz(14.7374, 21.2063, 27.3563)
Luminance	0.2121 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218D8A #8D2124

analogous

#218D54 #218D8A #215A8D

triadic

#218D8A #8A218D #8D8A21

tetradic

#218D8A #54218D #8D2124 #5A8D21

square

#218D8A #54218D #8D2124 #5A8D21

split-complementary

#218D8A #8D215A #8D5421

monochromatic

#0A2A29 #155B59 #218D8A #2DBFBB #52D6D3

Accessibility & contrast

On white

4.01

#218D8A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.24

#218D8A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218D8A

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218D8A	#FFFFFF	#000000	##000000
##218D8A	1.00	4.01	5.24	5.24
#FFFFFF	4.01	1.00	21.00	21.00
#000000	5.24	21.00	1.00	1.00
##000000	5.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#84858A

Deuteranopia (green-blind)

#757A8B

Tritanopia (blue-blind)

#00918C

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #218d8a;
/* rgb */ color: rgb(33, 141, 138);
/* oklch */ color: oklch(58.5% 0.092 192.1);

Tailwind

colors: {
  custom: {
    50: '#70afac',
    500: '#218d8a',
    950: '#000000',
  },
}

SCSS

$custom: #218d8a;
$custom-light: #70afac;
$custom-dark: #000000;

JSON

{
  "hex": "#218d8a",
  "rgb": {
    "r": 33,
    "g": 141,
    "b": 138
  },
  "hsl": {
    "h": 178.333,
    "s": 62.069,
    "l": 34.118
  },
  "oklch": {
    "l": 0.58534,
    "c": 0.09239,
    "h": 192.1
  },
  "luminance": 0.21208
}

Semantic roles & 50–950 ramp

primary

#218D8A

secondary

#BA5053

accent

#4347E5

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #218D8A

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

Preview Lab → · Contrast checker → · Palette generator →