#218E9D#218E9D

#218E9D is a mid, moderate teal. Relative luminance 0.221; OKLCH L 59.5% C 0.095 H 209.0°. Best body text is #000000 at 5.42:1 contrast (WCAG AA passes).

Color values

HEX	#218E9D
RGB	rgb(33, 142, 157)
HSL	hsl(187, 65%, 37%)
HSV	hsv(187, 79%, 62%)
CMYK	cmyk(79%, 9.6%, 0%, 38.4%)
CIE-LAB	lab(54.13, -24.04, -16.46)
CIE-LCH	lch(54.13, 29.14, 214.41°)
OKLab	oklab(59.52% -0.0828 -0.0458)
OKLCH	oklch(59.52% 0.095 209)
XYZ	xyz(16.3833, 22.1016, 35.2943)
Luminance	0.2210 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218E9D #9D3021

analogous

#219D6E #218E9D #21509D

triadic

#218E9D #9D218E #8E9D21

tetradic

#218E9D #6E219D #9D3021 #509D21

square

#218E9D #6E219D #9D3021 #509D21

split-complementary

#218E9D #9D2150 #9D6E21

monochromatic

#0C3338 #16606A #218E9D #2CBCD0 #5CCDDD

Accessibility & contrast

On white

3.87

#218E9D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.42

#218E9D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218E9D

5.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218E9D	#FFFFFF	#000000	##000000
##218E9D	1.00	3.87	5.42	5.42
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.42	21.00	1.00	1.00
##000000	5.42	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81889E

Deuteranopia (green-blind)

#707C9D

Tritanopia (blue-blind)

#009592

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #218e9d;
/* rgb */ color: rgb(33, 142, 157);
/* oklch */ color: oklch(59.5% 0.095 209.0);

Tailwind

colors: {
  custom: {
    50: '#73afba',
    500: '#218e9d',
    950: '#000000',
  },
}

SCSS

$custom: #218e9d;
$custom-light: #73afba;
$custom-dark: #000000;

JSON

{
  "hex": "#218e9d",
  "rgb": {
    "r": 33,
    "g": 142,
    "b": 157
  },
  "hsl": {
    "h": 187.258,
    "s": 65.263,
    "l": 37.255
  },
  "oklch": {
    "l": 0.59525,
    "c": 0.09465,
    "h": 209
  },
  "luminance": 0.22104
}

Semantic roles & 50–950 ramp

primary

#218E9D

secondary

#C16559

accent

#5440E8

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #218E9D

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

Preview Lab → · Contrast checker → · Palette generator →