#218E9A#218E9A

#218E9A is a mid, moderate teal. Relative luminance 0.220; OKLCH L 59.4% C 0.094 H 206.2°. Best body text is #000000 at 5.40:1 contrast (WCAG AA passes).

Color values

HEX	#218E9A
RGB	rgb(33, 142, 154)
HSL	hsl(186, 65%, 37%)
HSV	hsv(186, 79%, 60%)
CMYK	cmyk(78.6%, 7.8%, 0%, 39.6%)
CIE-LAB	lab(54.03, -25.02, -14.90)
CIE-LCH	lch(54.03, 29.12, 210.78°)
OKLab	oklab(59.4% -0.0841 -0.0414)
OKLCH	oklch(59.4% 0.094 206.2)
XYZ	xyz(16.1304, 22.0004, 33.9620)
Luminance	0.2200 (WCAG relative)
Temperature	cool
Family	teal

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218E9A #9A2D21

analogous

#219A6A #218E9A #21529A

triadic

#218E9A #9A218E #8E9A21

tetradic

#218E9A #6A219A #9A2D21 #529A21

square

#218E9A #6A219A #9A2D21 #529A21

split-complementary

#218E9A #9A2152 #9A6A21

monochromatic

#0B3135 #166068 #218E9A #2CBCCC #5ACFDC

Accessibility & contrast

On white

3.89

#218E9A on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.40

#218E9A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218E9A

5.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218E9A	#FFFFFF	#000000	##000000
##218E9A	1.00	3.89	5.40	5.40
#FFFFFF	3.89	1.00	21.00	21.00
#000000	5.40	21.00	1.00	1.00
##000000	5.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#81889B

Deuteranopia (green-blind)

#717C9A

Tritanopia (blue-blind)

#009491

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #218e9a;
/* rgb */ color: rgb(33, 142, 154);
/* oklch */ color: oklch(59.4% 0.094 206.2);

Tailwind

colors: {
  custom: {
    50: '#72afb7',
    500: '#218e9a',
    950: '#000000',
  },
}

SCSS

$custom: #218e9a;
$custom-light: #72afb7;
$custom-dark: #000000;

JSON

{
  "hex": "#218e9a",
  "rgb": {
    "r": 33,
    "g": 142,
    "b": 154
  },
  "hsl": {
    "h": 185.95,
    "s": 64.706,
    "l": 36.667
  },
  "oklch": {
    "l": 0.59403,
    "c": 0.09376,
    "h": 206.2
  },
  "luminance": 0.22002
}

Semantic roles & 50–950 ramp

primary

#218E9A

secondary

#C06157

accent

#5140E8

background

#F7FAFB

surface

#EDF4F6

border

#C8CED0

text

#091011

muted

#7B7F80

Preview Lab

Preview with #218E9A

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

Preview Lab → · Contrast checker → · Palette generator →