#397df0
a balanced, electric blue · cool · closest name: dodgerblue
RGB
57, 125, 240
HSL
218°, 86%, 58%
CMYK
76, 48, 0, 6
Luminance
0.2183
Every format
| HEX | #397df0 |
| RGB | rgb(57, 125, 240) |
| HSL | hsl(218, 86%, 58%) |
| CMYK | cmyk(76%, 48%, 0%, 6%) |
| LAB | lab(53.8 18.2 -64.0) |
| LCH | lch(53.8 66.5 285.9) |
| OKLCH | oklch(0.608 0.186 260.3) |
Copy-ready code
/* CSS */
color: #397df0;
background-color: #397df0;
/* Tailwind (arbitrary) */
class="text-[#397df0] bg-[#397df0]"
/* SCSS */
$brand: #397df0;
/* SwiftUI */
Color(red: 0.224, green: 0.490, blue: 0.941)
/* Android */
Color.parseColor("#397df0")Accessibility — WCAG contrast
Aa
#397df0 on white: 3.91:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#397df0 on black: 5.37:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green49.0%
Blue94.1%
CMYK percentages
Cyan76.3%
Magenta47.9%
Yellow0.0%
Key (black)5.9%
Color previews
#397df0 text on a black background
contrast 5.37:1
Card sample
#397df0 text on a white background
contrast 3.91:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #397df0;
Background color
Panel with #397df0 background
background-color: #397df0;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #397df0;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 125, 240, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 125, 240, 0.45);
Border & gradient
Gradient panel
border: 3px solid #397df0; background: linear-gradient(135deg, #397df0, #6F39F0);