#228CD3#228CD3

#228CD3 is a mid, vivid cyan. Relative luminance 0.238; OKLCH L 61.7% C 0.141 H 244.2°. Best body text is #000000 at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#228CD3
RGB	rgb(34, 140, 211)
HSL	hsl(204, 72%, 48%)
HSV	hsv(204, 84%, 83%)
CMYK	cmyk(83.9%, 33.6%, 0%, 17.3%)
CIE-LAB	lab(55.88, -3.82, -44.52)
CIE-LCH	lch(55.88, 44.68, 265.09°)
OKLab	oklab(61.7% -0.0611 -0.1267)
OKLCH	oklch(61.7% 0.141 244.2)
XYZ	xyz(21.7910, 23.7966, 65.0601)
Luminance	0.2380 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228CD3 #D36922

analogous

#22D3C1 #228CD3 #2233D3

triadic

#228CD3 #D3228C #8CD322

tetradic

#228CD3 #C122D3 #D36922 #33D322

square

#228CD3 #C122D3 #D36922 #33D322

split-complementary

#228CD3 #D32233 #D3C122

monochromatic

#11466A #1A699E #228CD3 #4FA8E3 #84C2EB

Accessibility & contrast

On white

3.65

#228CD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.76

#228CD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228CD3

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228CD3	#FFFFFF	#000000	##000000
##228CD3	1.00	3.65	5.76	5.76
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.76	21.00	1.00	1.00
##000000	5.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A8FD6

Deuteranopia (green-blind)

#517FD2

Tritanopia (blue-blind)

#009DA6

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #228cd3;
/* rgb */ color: rgb(34, 140, 211);
/* oklch */ color: oklch(61.7% 0.141 244.2);

Tailwind

colors: {
  custom: {
    50: '#7cade1',
    500: '#228cd3',
    950: '#000000',
  },
}

SCSS

$custom: #228cd3;
$custom-light: #7cade1;
$custom-dark: #000000;

JSON

{
  "hex": "#228cd3",
  "rgb": {
    "r": 34,
    "g": 140,
    "b": 211
  },
  "hsl": {
    "h": 204.068,
    "s": 72.245,
    "l": 48.039
  },
  "oklch": {
    "l": 0.61698,
    "c": 0.14065,
    "h": 244.2
  },
  "luminance": 0.23799
}

Semantic roles & 50–950 ramp

primary

#228CD3

secondary

#D4A07D

accent

#8239EF

background

#F8FAFD

surface

#EFF4FB

border

#CACED4

text

#0B1015

muted

#7C7F83

Preview Lab

Preview with #228CD3

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

Preview Lab → · Contrast checker → · Palette generator →