#218A9A#218A9A

#218A9A is a mid, moderate teal. Relative luminance 0.208; OKLCH L 58.4% C 0.093 H 210.3°. Best body text is #000000 at 5.17:1 contrast (WCAG AA passes).

Color values

HEX	#218A9A
RGB	rgb(33, 138, 154)
HSL	hsl(188, 65%, 37%)
HSV	hsv(188, 79%, 60%)
CMYK	cmyk(78.6%, 10.4%, 0%, 39.6%)
CIE-LAB	lab(52.76, -22.96, -16.82)
CIE-LCH	lch(52.76, 28.46, 216.22°)
OKLab	oklab(58.38% -0.0801 -0.0468)
OKLCH	oklch(58.38% 0.093 210.3)
XYZ	xyz(15.5459, 20.8315, 33.7671)
Luminance	0.2083 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218A9A #9A3121

analogous

#219A6E #218A9A #214E9A

triadic

#218A9A #9A218A #8A9A21

tetradic

#218A9A #6E219A #9A3121 #4E9A21

square

#218A9A #6E219A #9A3121 #4E9A21

split-complementary

#218A9A #9A214E #9A6E21

monochromatic

#0B3035 #165D68 #218A9A #2CB7CC #5ACADC

Accessibility & contrast

On white

4.06

#218A9A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.17

#218A9A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218A9A

5.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218A9A	#FFFFFF	#000000	##000000
##218A9A	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)

#7D859B

Deuteranopia (green-blind)

#6C799A

Tritanopia (blue-blind)

#00918F

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #218a9a;
/* rgb */ color: rgb(33, 138, 154);
/* oklch */ color: oklch(58.4% 0.093 210.3);

Tailwind

colors: {
  custom: {
    50: '#72acb7',
    500: '#218a9a',
    950: '#000000',
  },
}

SCSS

$custom: #218a9a;
$custom-light: #72acb7;
$custom-dark: #000000;

JSON

{
  "hex": "#218a9a",
  "rgb": {
    "r": 33,
    "g": 138,
    "b": 154
  },
  "hsl": {
    "h": 187.934,
    "s": 64.706,
    "l": 36.667
  },
  "oklch": {
    "l": 0.58382,
    "c": 0.09277,
    "h": 210.3
  },
  "luminance": 0.20833
}

Semantic roles & 50–950 ramp

primary

#218A9A

secondary

#C06557

accent

#5640E8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #218A9A

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

Preview Lab → · Contrast checker → · Palette generator →