#3975eb
a balanced, electric blue · cool · closest name: royalblue
RGB
57, 117, 235
HSL
220°, 82%, 57%
CMYK
76, 50, 0, 8
Luminance
0.1959
Every format
| HEX | #3975eb |
| RGB | rgb(57, 117, 235) |
| HSL | hsl(220, 82%, 57%) |
| CMYK | cmyk(76%, 50%, 0%, 8%) |
| LAB | lab(51.4 21.4 -65.2) |
| LCH | lch(51.4 68.6 288.2) |
| OKLCH | oklch(0.588 0.189 262.1) |
Copy-ready code
/* CSS */
color: #3975eb;
background-color: #3975eb;
/* Tailwind (arbitrary) */
class="text-[#3975eb] bg-[#3975eb]"
/* SCSS */
$brand: #3975eb;
/* SwiftUI */
Color(red: 0.224, green: 0.459, blue: 0.922)
/* Android */
Color.parseColor("#3975eb")Accessibility — WCAG contrast
Aa
#3975eb on white: 4.27:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#3975eb on black: 4.92:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green45.9%
Blue92.2%
CMYK percentages
Cyan75.7%
Magenta50.2%
Yellow0.0%
Key (black)7.8%
Color previews
#3975eb text on a black background
contrast 4.92:1
Card sample
#3975eb text on a white background
contrast 4.27:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3975eb;
Background color
Panel with #3975eb background
background-color: #3975eb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3975eb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 117, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 117, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3975eb; background: linear-gradient(135deg, #3975eb, #7439EB);