#228ED3#228ED3

#228ED3 is a light, vivid cyan. Relative luminance 0.244; OKLCH L 62.2% C 0.139 H 243.1°. Best body text is #000000 at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#228ED3
RGB	rgb(34, 142, 211)
HSL	hsl(203, 72%, 48%)
HSV	hsv(203, 84%, 83%)
CMYK	cmyk(83.9%, 32.7%, 0%, 17.3%)
CIE-LAB	lab(56.47, -4.99, -43.59)
CIE-LCH	lch(56.47, 43.87, 263.47°)
OKLab	oklab(62.16% -0.0628 -0.1239)
OKLCH	oklch(62.16% 0.139 243.1)
XYZ	xyz(22.0859, 24.3864, 65.1584)
Luminance	0.2439 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228ED3 #D36722

analogous

#22D3BF #228ED3 #2235D3

triadic

#228ED3 #D3228E #8ED322

tetradic

#228ED3 #BF22D3 #D36722 #35D322

square

#228ED3 #BF22D3 #D36722 #35D322

split-complementary

#228ED3 #D32235 #D3BF22

monochromatic

#11476A #1A6B9E #228ED3 #4FA9E3 #84C3EB

Accessibility & contrast

On white

3.57

#228ED3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.88

#228ED3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228ED3

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228ED3	#FFFFFF	#000000	##000000
##228ED3	1.00	3.57	5.88	5.88
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.88	21.00	1.00	1.00
##000000	5.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D90D6

Deuteranopia (green-blind)

#5580D2

Tritanopia (blue-blind)

#009FA7

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #228ed3;
/* rgb */ color: rgb(34, 142, 211);
/* oklch */ color: oklch(62.2% 0.139 243.1);

Tailwind

colors: {
  custom: {
    50: '#7caee1',
    500: '#228ed3',
    950: '#000000',
  },
}

SCSS

$custom: #228ed3;
$custom-light: #7caee1;
$custom-dark: #000000;

JSON

{
  "hex": "#228ed3",
  "rgb": {
    "r": 34,
    "g": 142,
    "b": 211
  },
  "hsl": {
    "h": 203.39,
    "s": 72.245,
    "l": 48.039
  },
  "oklch": {
    "l": 0.62163,
    "c": 0.13894,
    "h": 243.1
  },
  "luminance": 0.24389
}

Semantic roles & 50–950 ramp

primary

#228ED3

secondary

#D49F7D

accent

#8039EF

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0B1015

muted

#7C7F83

Preview Lab

Preview with #228ED3

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

Preview Lab → · Contrast checker → · Palette generator →