#228AD3#228AD3
#228AD3 is a mid, vivid cyan. Relative luminance 0.232; OKLCH L 61.2% C 0.142 H 245.3°. Best body text is #000000 at 5.64:1 contrast (WCAG AA passes).
Color values
| HEX | #228AD3 |
|---|---|
| RGB | rgb(34, 138, 211) |
| HSL | hsl(205, 72%, 48%) |
| HSV | hsv(205, 84%, 83%) |
| CMYK | cmyk(83.9%, 34.6%, 0%, 17.3%) |
| CIE-LAB | lab(55.30, -2.65, -45.45) |
| CIE-LCH | lch(55.30, 45.52, 266.66°) |
| OKLab | oklab(61.23% -0.0594 -0.1294) |
| OKLCH | oklch(61.23% 0.142 245.3) |
| XYZ | xyz(21.5014, 23.2175, 64.9636) |
| Luminance | 0.2322 (WCAG relative) |
| Temperature | cool |
| Family | cyan |
Closest named colors
Water Blue
#0E87CC
ΔE00 1.79
Cerulean (survey)
#0485D1
ΔE00 1.86
Cool Blue
#4984B8
ΔE00 4.10
Steel Blue
#4682B4
ΔE00 4.53
Dark Sky Blue
#448EE4
ΔE00 4.64
Dodgerblue
#1E90FF
ΔE00 5.50
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#228AD3 #D36B22
analogous
#22D3C3 #228AD3 #2231D3
triadic
#228AD3 #D3228A #8AD322
tetradic
#228AD3 #C322D3 #D36B22 #31D322
square
#228AD3 #C322D3 #D36B22 #31D322
split-complementary
#228AD3 #D32231 #D3C322
monochromatic
#11456A #1A689E #228AD3 #4FA6E3 #84C1EB
Accessibility & contrast
On white
3.72
#228AD3 on #FFFFFF
AA ✗AA large ✓AAA ✗
On black
5.64
#228AD3 on #000000
AA ✓AA large ✓AAA ✗
Best text color
#000000 on #228AD3
5.64:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##228AD3 | #FFFFFF | #000000 | ##000000 |
|---|---|---|---|---|
| ##228AD3 | 1.00 | 3.72 | 5.64 | 5.64 |
| #FFFFFF | 3.72 | 1.00 | 21.00 | 21.00 |
| #000000 | 5.64 | 21.00 | 1.00 | 1.00 |
| ##000000 | 5.64 | 21.00 | 1.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#678DD6
Deuteranopia (green-blind)
#4E7DD2
Tritanopia (blue-blind)
#009CA5
Achromatopsia (no color)
#848484
Design tokens & code
CSS
--color: #228ad3; /* rgb */ color: rgb(34, 138, 211); /* oklch */ color: oklch(61.2% 0.142 245.3);
Tailwind
colors: {
custom: {
50: '#7cabe1',
500: '#228ad3',
950: '#000000',
},
}SCSS
$custom: #228ad3; $custom-light: #7cabe1; $custom-dark: #000000;
JSON
{
"hex": "#228ad3",
"rgb": {
"r": 34,
"g": 138,
"b": 211
},
"hsl": {
"h": 204.746,
"s": 72.245,
"l": 48.039
},
"oklch": {
"l": 0.61234,
"c": 0.14242,
"h": 245.3
},
"luminance": 0.2322
}Semantic roles & 50–950 ramp
primary
#228AD3
secondary
#D4A17D
accent
#8439EF
background
#F8FAFD
surface
#EFF4FB
border
#CACED4
text
#0B1015
muted
#7C7F83