#228BD3#228BD3

#228BD3 is a mid, vivid cyan. Relative luminance 0.235; OKLCH L 61.5% C 0.142 H 244.8°. Best body text is #000000 at 5.70:1 contrast (WCAG AA passes).

Color values

HEX	#228BD3
RGB	rgb(34, 139, 211)
HSL	hsl(204, 72%, 48%)
HSV	hsv(204, 84%, 83%)
CMYK	cmyk(83.9%, 34.1%, 0%, 17.3%)
CIE-LAB	lab(55.59, -3.24, -44.98)
CIE-LCH	lch(55.59, 45.10, 265.88°)
OKLab	oklab(61.47% -0.0603 -0.128)
OKLCH	oklch(61.47% 0.142 244.8)
XYZ	xyz(21.6456, 23.5057, 65.0116)
Luminance	0.2351 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#228BD3 #D36A22

analogous

#22D3C2 #228BD3 #2232D3

triadic

#228BD3 #D3228B #8BD322

tetradic

#228BD3 #C222D3 #D36A22 #32D322

square

#228BD3 #C222D3 #D36A22 #32D322

split-complementary

#228BD3 #D32232 #D3C222

monochromatic

#11466A #1A689E #228BD3 #4FA7E3 #84C1EB

Accessibility & contrast

On white

3.68

#228BD3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.70

#228BD3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #228BD3

5.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##228BD3	#FFFFFF	#000000	##000000
##228BD3	1.00	3.68	5.70	5.70
#FFFFFF	3.68	1.00	21.00	21.00
#000000	5.70	21.00	1.00	1.00
##000000	5.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#698ED6

Deuteranopia (green-blind)

#507ED2

Tritanopia (blue-blind)

#009DA5

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #228bd3;
/* rgb */ color: rgb(34, 139, 211);
/* oklch */ color: oklch(61.5% 0.142 244.8);

Tailwind

colors: {
  custom: {
    50: '#7cace1',
    500: '#228bd3',
    950: '#000000',
  },
}

SCSS

$custom: #228bd3;
$custom-light: #7cace1;
$custom-dark: #000000;

JSON

{
  "hex": "#228bd3",
  "rgb": {
    "r": 34,
    "g": 139,
    "b": 211
  },
  "hsl": {
    "h": 204.407,
    "s": 72.245,
    "l": 48.039
  },
  "oklch": {
    "l": 0.61466,
    "c": 0.14153,
    "h": 244.8
  },
  "luminance": 0.23508
}

Semantic roles & 50–950 ramp

primary

#228BD3

secondary

#D4A07D

accent

#8339EF

background

#F8FAFD

surface

#EFF4FB

border

#CACED4

text

#0B1015

muted

#7C7F83

Preview Lab

Preview with #228BD3

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

Preview Lab → · Contrast checker → · Palette generator →