#218EA6#218EA6

#218EA6 is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 59.9% C 0.099 H 216.8°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#218EA6
RGB	rgb(33, 142, 166)
HSL	hsl(191, 67%, 39%)
HSV	hsv(191, 80%, 65%)
CMYK	cmyk(80.1%, 14.5%, 0%, 34.9%)
CIE-LAB	lab(54.47, -21.05, -21.13)
CIE-LCH	lch(54.47, 29.82, 225.11°)
OKLab	oklab(59.91% -0.079 -0.059)
OKLCH	oklch(59.91% 0.099 216.8)
XYZ	xyz(17.1802, 22.4204, 39.4911)
Luminance	0.2242 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#218EA6 #A63921

analogous

#21A67C #218EA6 #214CA6

triadic

#218EA6 #A6218E #8EA621

tetradic

#218EA6 #7C21A6 #A63921 #4CA621

square

#218EA6 #7C21A6 #A63921 #4CA621

split-complementary

#218EA6 #A6214C #A67C21

monochromatic

#0D3740 #176273 #218EA6 #2FB7D6 #62C9E0

Accessibility & contrast

On white

3.83

#218EA6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#218EA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #218EA6

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##218EA6	#FFFFFF	#000000	##000000
##218EA6	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)

#7E8AA7

Deuteranopia (green-blind)

#6D7DA6

Tritanopia (blue-blind)

#009696

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #218ea6;
/* rgb */ color: rgb(33, 142, 166);
/* oklch */ color: oklch(59.9% 0.099 216.8);

Tailwind

colors: {
  custom: {
    50: '#74afc0',
    500: '#218ea6',
    950: '#000000',
  },
}

SCSS

$custom: #218ea6;
$custom-light: #74afc0;
$custom-dark: #000000;

JSON

{
  "hex": "#218ea6",
  "rgb": {
    "r": 33,
    "g": 142,
    "b": 166
  },
  "hsl": {
    "h": 190.827,
    "s": 66.834,
    "l": 39.02
  },
  "oklch": {
    "l": 0.59907,
    "c": 0.09865,
    "h": 216.8
  },
  "luminance": 0.22423
}

Semantic roles & 50–950 ramp

primary

#218EA6

secondary

#C5715E

accent

#5D3EEA

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #218EA6

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

Preview Lab → · Contrast checker → · Palette generator →