#228DD3#228DD3

#228DD3 is a mid, vivid cyan. Relative luminance 0.241; OKLCH L 61.9% C 0.140 H 243.7°. Best body text is #000000 at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#228DD3
RGB	rgb(34, 141, 211)
HSL	hsl(204, 72%, 48%)
HSV	hsv(204, 84%, 83%)
CMYK	cmyk(83.9%, 33.2%, 0%, 17.3%)
CIE-LAB	lab(56.18, -4.41, -44.05)
CIE-LCH	lch(56.18, 44.27, 264.29°)
OKLab	oklab(61.93% -0.062 -0.1253)
OKLCH	oklch(61.93% 0.14 243.7)
XYZ	xyz(21.9378, 24.0902, 65.1090)
Luminance	0.2409 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228DD3 #D36822

analogous

#22D3C0 #228DD3 #2234D3

triadic

#228DD3 #D3228D #8DD322

tetradic

#228DD3 #C022D3 #D36822 #34D322

square

#228DD3 #C022D3 #D36822 #34D322

split-complementary

#228DD3 #D32234 #D3C022

monochromatic

#11476A #1A6A9E #228DD3 #4FA8E3 #84C2EB

Accessibility & contrast

On white

3.61

#228DD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.82

#228DD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228DD3

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228DD3	#FFFFFF	#000000	##000000
##228DD3	1.00	3.61	5.82	5.82
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.82	21.00	1.00	1.00
##000000	5.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C8FD6

Deuteranopia (green-blind)

#5380D2

Tritanopia (blue-blind)

#009EA6

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #228dd3;
/* rgb */ color: rgb(34, 141, 211);
/* oklch */ color: oklch(61.9% 0.140 243.7);

Tailwind

colors: {
  custom: {
    50: '#7caee1',
    500: '#228dd3',
    950: '#000000',
  },
}

SCSS

$custom: #228dd3;
$custom-light: #7caee1;
$custom-dark: #000000;

JSON

{
  "hex": "#228dd3",
  "rgb": {
    "r": 34,
    "g": 141,
    "b": 211
  },
  "hsl": {
    "h": 203.729,
    "s": 72.245,
    "l": 48.039
  },
  "oklch": {
    "l": 0.6193,
    "c": 0.13978,
    "h": 243.7
  },
  "luminance": 0.24093
}

Semantic roles & 50–950 ramp

primary

#228DD3

secondary

#D49F7D

accent

#8139EF

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0B1015

muted

#7C7F83

Preview Lab

Preview with #228DD3

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

Preview Lab → · Contrast checker → · Palette generator →