#3791eb
a balanced, electric blue · cool · closest name: dodgerblue
RGB
55, 145, 235
HSL
210°, 82%, 57%
CMYK
77, 38, 0, 8
Luminance
0.2706
Every format
| HEX | #3791eb |
| RGB | rgb(55, 145, 235) |
| HSL | hsl(210, 82%, 57%) |
| CMYK | cmyk(77%, 38%, 0%, 8%) |
| LAB | lab(59.0 4.0 -52.9) |
| LCH | lch(59.0 53.0 274.4) |
| OKLCH | oklch(0.647 0.159 251.7) |
Copy-ready code
/* CSS */
color: #3791eb;
background-color: #3791eb;
/* Tailwind (arbitrary) */
class="text-[#3791eb] bg-[#3791eb]"
/* SCSS */
$brand: #3791eb;
/* SwiftUI */
Color(red: 0.216, green: 0.569, blue: 0.922)
/* Android */
Color.parseColor("#3791eb")Accessibility — WCAG contrast
Aa
#3791eb on white: 3.27:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#3791eb on black: 6.41:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red21.6%
Green56.9%
Blue92.2%
CMYK percentages
Cyan76.6%
Magenta38.3%
Yellow0.0%
Key (black)7.8%
Color previews
#3791eb text on a black background
contrast 6.41:1
Card sample
#3791eb text on a white background
contrast 3.27:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3791eb;
Background color
Panel with #3791eb background
background-color: #3791eb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3791eb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(55, 145, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(55, 145, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3791eb; background: linear-gradient(135deg, #3791eb, #5537EB);