#218A8B#218A8B

#218A8B is a mid, moderate teal. Relative luminance 0.204; OKLCH L 57.8% C 0.090 H 195.9°. Best body text is #000000 at 5.07:1 contrast (WCAG AA passes).

Color values

HEX	#218A8B
RGB	rgb(33, 138, 139)
HSL	hsl(181, 62%, 34%)
HSV	hsv(181, 76%, 55%)
CMYK	cmyk(76.3%, 0.7%, 0%, 45.5%)
CIE-LAB	lab(52.24, -27.77, -8.90)
CIE-LCH	lch(52.24, 29.16, 197.77°)
OKLab	oklab(57.79% -0.0868 -0.0247)
OKLCH	oklch(57.79% 0.09 195.9)
XYZ	xyz(14.3737, 20.3626, 27.5939)
Luminance	0.2036 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218A8B #8B2221

analogous

#218B57 #218A8B #21558B

triadic

#218A8B #8B218A #8A8B21

tetradic

#218A8B #57218B #8B2221 #558B21

square

#218A8B #57218B #8B2221 #558B21

split-complementary

#218A8B #8B2155 #8B5721

monochromatic

#0A2828 #15595A #218A8B #2DBBBC #51D4D6

Accessibility & contrast

On white

4.14

#218A8B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.07

#218A8B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218A8B

5.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218A8B	#FFFFFF	#000000	##000000
##218A8B	1.00	4.14	5.07	5.07
#FFFFFF	4.14	1.00	21.00	21.00
#000000	5.07	21.00	1.00	1.00
##000000	5.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#80838B

Deuteranopia (green-blind)

#71788C

Tritanopia (blue-blind)

#008F8A

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #218a8b;
/* rgb */ color: rgb(33, 138, 139);
/* oklch */ color: oklch(57.8% 0.090 195.9);

Tailwind

colors: {
  custom: {
    50: '#70acac',
    500: '#218a8b',
    950: '#000000',
  },
}

SCSS

$custom: #218a8b;
$custom-light: #70acac;
$custom-dark: #000000;

JSON

{
  "hex": "#218a8b",
  "rgb": {
    "r": 33,
    "g": 138,
    "b": 139
  },
  "hsl": {
    "h": 180.566,
    "s": 61.628,
    "l": 33.725
  },
  "oklch": {
    "l": 0.57789,
    "c": 0.09022,
    "h": 195.9
  },
  "luminance": 0.20364
}

Semantic roles & 50–950 ramp

primary

#218A8B

secondary

#B9504F

accent

#4543E5

background

#F7FAFA

surface

#EDF4F4

border

#C8CECE

text

#091010

muted

#7B7F7F

Preview Lab

Preview with #218A8B

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

Preview Lab → · Contrast checker → · Palette generator →