#218A9B#218A9B

#218A9B is a mid, moderate teal. Relative luminance 0.209; OKLCH L 58.4% C 0.093 H 211.2°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#218A9B
RGB	rgb(33, 138, 155)
HSL	hsl(188, 65%, 37%)
HSV	hsv(188, 79%, 61%)
CMYK	cmyk(78.7%, 11%, 0%, 39.2%)
CIE-LAB	lab(52.80, -22.63, -17.34)
CIE-LCH	lch(52.80, 28.51, 217.46°)
OKLab	oklab(58.42% -0.0796 -0.0483)
OKLCH	oklch(58.42% 0.093 211.2)
XYZ	xyz(15.6295, 20.8649, 34.2076)
Luminance	0.2087 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218A9B #9B3221

analogous

#219B6F #218A9B #214D9B

triadic

#218A9B #9B218A #8A9B21

tetradic

#218A9B #6F219B #9B3221 #4D9B21

square

#218A9B #6F219B #9B3221 #4D9B21

split-complementary

#218A9B #9B214D #9B6F21

monochromatic

#0C3036 #165D69 #218A9B #2CB7CD #5ACADC

Accessibility & contrast

On white

4.06

#218A9B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#218A9B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218A9B

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218A9B	#FFFFFF	#000000	##000000
##218A9B	1.00	4.06	5.17	5.17
#FFFFFF	4.06	1.00	21.00	21.00
#000000	5.17	21.00	1.00	1.00
##000000	5.17	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C859C

Deuteranopia (green-blind)

#6C799B

Tritanopia (blue-blind)

#00918F

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #218a9b;
/* rgb */ color: rgb(33, 138, 155);
/* oklch */ color: oklch(58.4% 0.093 211.2);

Tailwind

colors: {
  custom: {
    50: '#72acb8',
    500: '#218a9b',
    950: '#000000',
  },
}

SCSS

$custom: #218a9b;
$custom-light: #72acb8;
$custom-dark: #000000;

JSON

{
  "hex": "#218a9b",
  "rgb": {
    "r": 33,
    "g": 138,
    "b": 155
  },
  "hsl": {
    "h": 188.361,
    "s": 64.894,
    "l": 36.863
  },
  "oklch": {
    "l": 0.58424,
    "c": 0.09315,
    "h": 211.2
  },
  "luminance": 0.20867
}

Semantic roles & 50–950 ramp

primary

#218A9B

secondary

#C06658

accent

#5740E8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #218A9B

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

Preview Lab → · Contrast checker → · Palette generator →