#3399ff
a balanced, electric blue · cool · closest name: dodgerblue
RGB
51, 153, 255
HSL
210°, 100%, 60%
CMYK
80, 40, 0, 0
Luminance
0.3071
Every format
| HEX | #3399ff |
| RGB | rgb(51, 153, 255) |
| HSL | hsl(210, 100%, 60%) |
| CMYK | cmyk(80%, 40%, 0%, 0%) |
| LAB | lab(62.3 6.1 -58.8) |
| LCH | lch(62.3 59.1 275.9) |
| OKLCH | oklch(0.675 0.176 252.3) |
Copy-ready code
/* CSS */
color: #3399ff;
background-color: #3399ff;
/* Tailwind (arbitrary) */
class="text-[#3399ff] bg-[#3399ff]"
/* SCSS */
$brand: #3399ff;
/* SwiftUI */
Color(red: 0.200, green: 0.600, blue: 1.000)
/* Android */
Color.parseColor("#3399ff")Accessibility — WCAG contrast
Aa
#3399ff on white: 2.94:1
AA ✗ fail · AA-large ✗ · AAA ✗
Aa
#3399ff on black: 7.14:1
AA ✓ pass · AA-large ✓ · AAA ✓
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green60.0%
Blue100.0%
CMYK percentages
Cyan80.0%
Magenta40.0%
Yellow0.0%
Key (black)0.0%
Color previews
#3399ff text on a black background
contrast 7.14:1
Card sample
#3399ff text on a white background
contrast 2.94:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3399ff;
Background color
Panel with #3399ff background
background-color: #3399ff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3399ff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 153, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 153, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3399ff; background: linear-gradient(135deg, #3399ff, #5533FF);