#397cc5
a balanced, vivid blue · cool · closest name: steelblue
RGB
57, 124, 197
HSL
211°, 55%, 50%
CMYK
71, 37, 0, 23
Luminance
0.1932
Every format
| HEX | #397cc5 |
| RGB | rgb(57, 124, 197) |
| HSL | hsl(211, 55%, 50%) |
| CMYK | cmyk(71%, 37%, 0%, 23%) |
| LAB | lab(51.0 3.2 -44.2) |
| LCH | lch(51.0 44.3 274.1) |
| OKLCH | oklch(0.578 0.132 252.7) |
Copy-ready code
/* CSS */
color: #397cc5;
background-color: #397cc5;
/* Tailwind (arbitrary) */
class="text-[#397cc5] bg-[#397cc5]"
/* SCSS */
$brand: #397cc5;
/* SwiftUI */
Color(red: 0.224, green: 0.486, blue: 0.773)
/* Android */
Color.parseColor("#397cc5")Accessibility — WCAG contrast
Aa
#397cc5 on white: 4.32:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#397cc5 on black: 4.86:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green48.6%
Blue77.3%
CMYK percentages
Cyan71.1%
Magenta37.1%
Yellow0.0%
Key (black)22.7%
Color previews
#397cc5 text on a black background
contrast 4.86:1
Card sample
#397cc5 text on a white background
contrast 4.32:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #397cc5;
Background color
Panel with #397cc5 background
background-color: #397cc5;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #397cc5;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 124, 197, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 124, 197, 0.45);
Border & gradient
Gradient panel
border: 3px solid #397cc5; background: linear-gradient(135deg, #397cc5, #5339C5);