#3370eb
a balanced, electric blue · cool · closest name: royalblue
RGB
51, 112, 235
HSL
220°, 82%, 56%
CMYK
78, 52, 0, 8
Luminance
0.1829
Every format
| HEX | #3370eb |
| RGB | rgb(51, 112, 235) |
| HSL | hsl(220, 82%, 56%) |
| CMYK | cmyk(78%, 52%, 0%, 8%) |
| LAB | lab(49.8 23.9 -67.7) |
| LCH | lch(49.8 71.7 289.4) |
| OKLCH | oklch(0.576 0.197 262.3) |
Copy-ready code
/* CSS */
color: #3370eb;
background-color: #3370eb;
/* Tailwind (arbitrary) */
class="text-[#3370eb] bg-[#3370eb]"
/* SCSS */
$brand: #3370eb;
/* SwiftUI */
Color(red: 0.200, green: 0.439, blue: 0.922)
/* Android */
Color.parseColor("#3370eb")Accessibility — WCAG contrast
Aa
#3370eb on white: 4.51:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3370eb on black: 4.66:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green43.9%
Blue92.2%
CMYK percentages
Cyan78.3%
Magenta52.3%
Yellow0.0%
Key (black)7.8%
Color previews
#3370eb text on a black background
contrast 4.66:1
Card sample
#3370eb text on a white background
contrast 4.51:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3370eb;
Background color
Panel with #3370eb background
background-color: #3370eb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3370eb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 112, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 112, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3370eb; background: linear-gradient(135deg, #3370eb, #7133EB);