#397df5
a balanced, electric blue · cool · closest name: royalblue
RGB
57, 125, 245
HSL
218°, 90%, 59%
CMYK
77, 49, 0, 4
Luminance
0.2213
Every format
| HEX | #397df5 |
| RGB | rgb(57, 125, 245) |
| HSL | hsl(218, 90%, 59%) |
| CMYK | cmyk(77%, 49%, 0%, 4%) |
| LAB | lab(54.2 20.1 -66.2) |
| LCH | lch(54.2 69.2 286.8) |
| OKLCH | oklch(0.611 0.193 260.8) |
Copy-ready code
/* CSS */
color: #397df5;
background-color: #397df5;
/* Tailwind (arbitrary) */
class="text-[#397df5] bg-[#397df5]"
/* SCSS */
$brand: #397df5;
/* SwiftUI */
Color(red: 0.224, green: 0.490, blue: 0.961)
/* Android */
Color.parseColor("#397df5")Accessibility — WCAG contrast
Aa
#397df5 on white: 3.87:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#397df5 on black: 5.43:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green49.0%
Blue96.1%
CMYK percentages
Cyan76.7%
Magenta49.0%
Yellow0.0%
Key (black)3.9%
Color previews
#397df5 text on a black background
contrast 5.43:1
Card sample
#397df5 text on a white background
contrast 3.87:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #397df5;
Background color
Panel with #397df5 background
background-color: #397df5;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #397df5;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 125, 245, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 125, 245, 0.45);
Border & gradient
Gradient panel
border: 3px solid #397df5; background: linear-gradient(135deg, #397df5, #7239F5);