#3974eb
a balanced, electric blue · cool · closest name: royalblue
RGB
57, 116, 235
HSL
220°, 82%, 57%
CMYK
76, 51, 0, 8
Luminance
0.1936
Every format
| HEX | #3974eb |
| RGB | rgb(57, 116, 235) |
| HSL | hsl(220, 82%, 57%) |
| CMYK | cmyk(76%, 51%, 0%, 8%) |
| LAB | lab(51.1 22.0 -65.6) |
| LCH | lch(51.1 69.2 288.5) |
| OKLCH | oklch(0.586 0.191 262.3) |
Copy-ready code
/* CSS */
color: #3974eb;
background-color: #3974eb;
/* Tailwind (arbitrary) */
class="text-[#3974eb] bg-[#3974eb]"
/* SCSS */
$brand: #3974eb;
/* SwiftUI */
Color(red: 0.224, green: 0.455, blue: 0.922)
/* Android */
Color.parseColor("#3974eb")Accessibility — WCAG contrast
Aa
#3974eb on white: 4.31:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#3974eb on black: 4.87:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green45.5%
Blue92.2%
CMYK percentages
Cyan75.7%
Magenta50.6%
Yellow0.0%
Key (black)7.8%
Color previews
#3974eb text on a black background
contrast 4.87:1
Card sample
#3974eb text on a white background
contrast 4.31:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3974eb;
Background color
Panel with #3974eb background
background-color: #3974eb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3974eb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 116, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 116, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3974eb; background: linear-gradient(135deg, #3974eb, #7539EB);