#218A99#218A99

#218A99 is a mid, moderate teal. Relative luminance 0.208; OKLCH L 58.3% C 0.092 H 209.4°. Best body text is #000000 at 5.16:1 contrast (WCAG AA passes).

Color values

HEX	#218A99
RGB	rgb(33, 138, 153)
HSL	hsl(188, 65%, 36%)
HSV	hsv(188, 78%, 60%)
CMYK	cmyk(78.4%, 9.8%, 0%, 40%)
CIE-LAB	lab(52.73, -23.29, -16.29)
CIE-LCH	lch(52.73, 28.42, 214.98°)
OKLab	oklab(58.34% -0.0805 -0.0454)
OKLCH	oklch(58.34% 0.092 209.4)
XYZ	xyz(15.4629, 20.7983, 33.3303)
Luminance	0.2080 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218A99 #993021

analogous

#21996C #218A99 #214E99

triadic

#218A99 #99218A #8A9921

tetradic

#218A99 #6C2199 #993021 #4E9921

square

#218A99 #6C2199 #993021 #4E9921

split-complementary

#218A99 #99214E #996C21

monochromatic

#0B2F34 #165D67 #218A99 #2CB7CB #59CBDB

Accessibility & contrast

On white

4.07

#218A99 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.16

#218A99 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218A99

5.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218A99	#FFFFFF	#000000	##000000
##218A99	1.00	4.07	5.16	5.16
#FFFFFF	4.07	1.00	21.00	21.00
#000000	5.16	21.00	1.00	1.00
##000000	5.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D859A

Deuteranopia (green-blind)

#6D7999

Tritanopia (blue-blind)

#00918F

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #218a99;
/* rgb */ color: rgb(33, 138, 153);
/* oklch */ color: oklch(58.3% 0.092 209.4);

Tailwind

colors: {
  custom: {
    50: '#72acb7',
    500: '#218a99',
    950: '#000000',
  },
}

SCSS

$custom: #218a99;
$custom-light: #72acb7;
$custom-dark: #000000;

JSON

{
  "hex": "#218a99",
  "rgb": {
    "r": 33,
    "g": 138,
    "b": 153
  },
  "hsl": {
    "h": 187.5,
    "s": 64.516,
    "l": 36.471
  },
  "oklch": {
    "l": 0.58341,
    "c": 0.09241,
    "h": 209.4
  },
  "luminance": 0.208
}

Semantic roles & 50–950 ramp

primary

#218A99

secondary

#BF6456

accent

#5540E8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #218A99

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

Preview Lab → · Contrast checker → · Palette generator →