#218A9D#218A9D

#218A9D is a mid, moderate teal. Relative luminance 0.209; OKLCH L 58.5% C 0.094 H 213.1°. Best body text is #000000 at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#218A9D
RGB	rgb(33, 138, 157)
HSL	hsl(189, 65%, 37%)
HSV	hsv(189, 79%, 62%)
CMYK	cmyk(79%, 12.1%, 0%, 38.4%)
CIE-LAB	lab(52.88, -21.96, -18.38)
CIE-LCH	lch(52.88, 28.64, 219.93°)
OKLab	oklab(58.51% -0.0788 -0.0513)
OKLCH	oklch(58.51% 0.094 213.1)
XYZ	xyz(15.7989, 20.9327, 35.0995)
Luminance	0.2094 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218A9D #9D3421

analogous

#219D72 #218A9D #214C9D

triadic

#218A9D #9D218A #8A9D21

tetradic

#218A9D #72219D #9D3421 #4C9D21

square

#218A9D #72219D #9D3421 #4C9D21

split-complementary

#218A9D #9D214C #9D7221

monochromatic

#0C3138 #165E6A #218A9D #2CB6D0 #5CC9DD

Accessibility & contrast

On white

4.05

#218A9D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.19

#218A9D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218A9D

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218A9D	#FFFFFF	#000000	##000000
##218A9D	1.00	4.05	5.19	5.19
#FFFFFF	4.05	1.00	21.00	21.00
#000000	5.19	21.00	1.00	1.00
##000000	5.19	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C859E

Deuteranopia (green-blind)

#6B799D

Tritanopia (blue-blind)

#009190

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #218a9d;
/* rgb */ color: rgb(33, 138, 157);
/* oklch */ color: oklch(58.5% 0.094 213.1);

Tailwind

colors: {
  custom: {
    50: '#72acba',
    500: '#218a9d',
    950: '#000000',
  },
}

SCSS

$custom: #218a9d;
$custom-light: #72acba;
$custom-dark: #000000;

JSON

{
  "hex": "#218a9d",
  "rgb": {
    "r": 33,
    "g": 138,
    "b": 157
  },
  "hsl": {
    "h": 189.194,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.58509,
    "c": 0.094,
    "h": 213.1
  },
  "luminance": 0.20935
}

Semantic roles & 50–950 ramp

primary

#218A9D

secondary

#C16959

accent

#5940E8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #218A9D

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

Preview Lab → · Contrast checker → · Palette generator →