#218EA4#218EA4

#218EA4 is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 59.8% C 0.098 H 215.1°. Best body text is #000000 at 5.47:1 contrast (WCAG AA passes).

Color values

HEX	#218EA4
RGB	rgb(33, 142, 164)
HSL	hsl(190, 66%, 39%)
HSV	hsv(190, 80%, 64%)
CMYK	cmyk(79.9%, 13.4%, 0%, 35.7%)
CIE-LAB	lab(54.39, -21.72, -20.10)
CIE-LCH	lch(54.39, 29.59, 222.78°)
OKLab	oklab(59.82% -0.0798 -0.0561)
OKLCH	oklch(59.82% 0.098 215.1)
XYZ	xyz(16.9982, 22.3476, 38.5324)
Luminance	0.2235 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218EA4 #A43721

analogous

#21A478 #218EA4 #214CA4

triadic

#218EA4 #A4218E #8EA421

tetradic

#218EA4 #7821A4 #A43721 #4CA421

square

#218EA4 #7821A4 #A43721 #4CA421

split-complementary

#218EA4 #A4214C #A47821

monochromatic

#0C363E #176271 #218EA4 #2DB9D5 #60CADF

Accessibility & contrast

On white

3.84

#218EA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.47

#218EA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218EA4

5.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218EA4	#FFFFFF	#000000	##000000
##218EA4	1.00	3.84	5.47	5.47
#FFFFFF	3.84	1.00	21.00	21.00
#000000	5.47	21.00	1.00	1.00
##000000	5.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F89A5

Deuteranopia (green-blind)

#6D7DA4

Tritanopia (blue-blind)

#009695

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #218ea4;
/* rgb */ color: rgb(33, 142, 164);
/* oklch */ color: oklch(59.8% 0.098 215.1);

Tailwind

colors: {
  custom: {
    50: '#74afbf',
    500: '#218ea4',
    950: '#000000',
  },
}

SCSS

$custom: #218ea4;
$custom-light: #74afbf;
$custom-dark: #000000;

JSON

{
  "hex": "#218ea4",
  "rgb": {
    "r": 33,
    "g": 142,
    "b": 164
  },
  "hsl": {
    "h": 190.076,
    "s": 66.497,
    "l": 38.627
  },
  "oklch": {
    "l": 0.5982,
    "c": 0.09759,
    "h": 215.1
  },
  "luminance": 0.2235
}

Semantic roles & 50–950 ramp

primary

#218EA4

secondary

#C46E5D

accent

#5B3EE9

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #218EA4

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

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