#218EA5#218EA5

#218EA5 is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 59.9% C 0.098 H 215.9°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#218EA5
RGB	rgb(33, 142, 165)
HSL	hsl(190, 67%, 39%)
HSV	hsv(190, 80%, 65%)
CMYK	cmyk(80%, 13.9%, 0%, 35.3%)
CIE-LAB	lab(54.43, -21.38, -20.61)
CIE-LCH	lch(54.43, 29.70, 223.95°)
OKLab	oklab(59.86% -0.0794 -0.0576)
OKLCH	oklch(59.86% 0.098 215.9)
XYZ	xyz(17.0888, 22.3838, 39.0099)
Luminance	0.2239 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218EA5 #A53821

analogous

#21A57A #218EA5 #214CA5

triadic

#218EA5 #A5218E #8EA521

tetradic

#218EA5 #7A21A5 #A53821 #4CA521

square

#218EA5 #7A21A5 #A53821 #4CA521

split-complementary

#218EA5 #A5214C #A57A21

monochromatic

#0D363F #176272 #218EA5 #2EB8D5 #61C9DF

Accessibility & contrast

On white

3.83

#218EA5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#218EA5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218EA5

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218EA5	#FFFFFF	#000000	##000000
##218EA5	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E89A6

Deuteranopia (green-blind)

#6D7DA5

Tritanopia (blue-blind)

#009695

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #218ea5;
/* rgb */ color: rgb(33, 142, 165);
/* oklch */ color: oklch(59.9% 0.098 215.9);

Tailwind

colors: {
  custom: {
    50: '#74afbf',
    500: '#218ea5',
    950: '#000000',
  },
}

SCSS

$custom: #218ea5;
$custom-light: #74afbf;
$custom-dark: #000000;

JSON

{
  "hex": "#218ea5",
  "rgb": {
    "r": 33,
    "g": 142,
    "b": 165
  },
  "hsl": {
    "h": 190.455,
    "s": 66.667,
    "l": 38.824
  },
  "oklch": {
    "l": 0.59864,
    "c": 0.0981,
    "h": 215.9
  },
  "luminance": 0.22386
}

Semantic roles & 50–950 ramp

primary

#218EA5

secondary

#C46F5E

accent

#5C3EEA

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #218EA5

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

Preview Lab → · Contrast checker → · Palette generator →