#397fef
a balanced, electric blue · cool · closest name: dodgerblue
RGB
57, 127, 239
HSL
217°, 85%, 58%
CMYK
76, 47, 0, 6
Luminance
0.2228
Every format
| HEX | #397fef |
| RGB | rgb(57, 127, 239) |
| HSL | hsl(217, 85%, 58%) |
| CMYK | cmyk(76%, 47%, 0%, 6%) |
| LAB | lab(54.3 16.6 -62.6) |
| LCH | lch(54.3 64.8 284.9) |
| OKLCH | oklch(0.611 0.183 259.5) |
Copy-ready code
/* CSS */
color: #397fef;
background-color: #397fef;
/* Tailwind (arbitrary) */
class="text-[#397fef] bg-[#397fef]"
/* SCSS */
$brand: #397fef;
/* SwiftUI */
Color(red: 0.224, green: 0.498, blue: 0.937)
/* Android */
Color.parseColor("#397fef")Accessibility — WCAG contrast
Aa
#397fef on white: 3.85:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#397fef on black: 5.46:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green49.8%
Blue93.7%
CMYK percentages
Cyan76.2%
Magenta46.9%
Yellow0.0%
Key (black)6.3%
Color previews
#397fef text on a black background
contrast 5.46:1
Card sample
#397fef text on a white background
contrast 3.85:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #397fef;
Background color
Panel with #397fef background
background-color: #397fef;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #397fef;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 127, 239, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 127, 239, 0.45);
Border & gradient
Gradient panel
border: 3px solid #397fef; background: linear-gradient(135deg, #397fef, #6C39EF);