#228FD3#228FD3

#228FD3 is a light, vivid cyan. Relative luminance 0.247; OKLCH L 62.4% C 0.138 H 242.5°. Best body text is #000000 at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#228FD3
RGB	rgb(34, 143, 211)
HSL	hsl(203, 72%, 48%)
HSV	hsv(203, 84%, 83%)
CMYK	cmyk(83.9%, 32.2%, 0%, 17.3%)
CIE-LAB	lab(56.77, -5.57, -43.12)
CIE-LCH	lch(56.77, 43.48, 262.64°)
OKLab	oklab(62.4% -0.0637 -0.1225)
OKLCH	oklch(62.4% 0.138 242.5)
XYZ	xyz(22.2354, 24.6853, 65.2082)
Luminance	0.2469 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228FD3 #D36622

analogous

#22D3BE #228FD3 #2236D3

triadic

#228FD3 #D3228F #8FD322

tetradic

#228FD3 #BE22D3 #D36622 #36D322

square

#228FD3 #BE22D3 #D36622 #36D322

split-complementary

#228FD3 #D32236 #D3BE22

monochromatic

#11486A #1A6B9E #228FD3 #4FAAE3 #84C4EB

Accessibility & contrast

On white

3.54

#228FD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.94

#228FD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228FD3

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228FD3	#FFFFFF	#000000	##000000
##228FD3	1.00	3.54	5.94	5.94
#FFFFFF	3.54	1.00	21.00	21.00
#000000	5.94	21.00	1.00	1.00
##000000	5.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F91D6

Deuteranopia (green-blind)

#5681D2

Tritanopia (blue-blind)

#00A0A7

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #228fd3;
/* rgb */ color: rgb(34, 143, 211);
/* oklch */ color: oklch(62.4% 0.138 242.5);

Tailwind

colors: {
  custom: {
    50: '#7cafe1',
    500: '#228fd3',
    950: '#000000',
  },
}

SCSS

$custom: #228fd3;
$custom-light: #7cafe1;
$custom-dark: #000000;

JSON

{
  "hex": "#228fd3",
  "rgb": {
    "r": 34,
    "g": 143,
    "b": 211
  },
  "hsl": {
    "h": 203.051,
    "s": 72.245,
    "l": 48.039
  },
  "oklch": {
    "l": 0.62397,
    "c": 0.1381,
    "h": 242.5
  },
  "luminance": 0.24688
}

Semantic roles & 50–950 ramp

primary

#228FD3

secondary

#D49E7D

accent

#7F39EF

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0B1015

muted

#7C7F83

Preview Lab

Preview with #228FD3

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

Preview Lab → · Contrast checker → · Palette generator →