#3388ee
a balanced, electric blue · cool · closest name: dodgerblue
RGB
51, 136, 238
HSL
213°, 85%, 57%
CMYK
79, 43, 0, 7
Luminance
0.2449
Every format
| HEX | #3388ee |
| RGB | rgb(51, 136, 238) |
| HSL | hsl(213, 85%, 57%) |
| CMYK | cmyk(79%, 43%, 0%, 7%) |
| LAB | lab(56.6 10.1 -58.5) |
| LCH | lch(56.6 59.4 279.8) |
| OKLCH | oklch(0.628 0.173 255.3) |
Copy-ready code
/* CSS */
color: #3388ee;
background-color: #3388ee;
/* Tailwind (arbitrary) */
class="text-[#3388ee] bg-[#3388ee]"
/* SCSS */
$brand: #3388ee;
/* SwiftUI */
Color(red: 0.200, green: 0.533, blue: 0.933)
/* Android */
Color.parseColor("#3388ee")Accessibility — WCAG contrast
Aa
#3388ee on white: 3.56:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#3388ee on black: 5.90:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green53.3%
Blue93.3%
CMYK percentages
Cyan78.6%
Magenta42.9%
Yellow0.0%
Key (black)6.7%
Color previews
#3388ee text on a black background
contrast 5.90:1
Card sample
#3388ee text on a white background
contrast 3.56:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3388ee;
Background color
Panel with #3388ee background
background-color: #3388ee;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3388ee;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 136, 238, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 136, 238, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3388ee; background: linear-gradient(135deg, #3388ee, #5B33EE);