#397afd
a balanced, electric blue · cool · closest name: royalblue
RGB
57, 122, 253
HSL
220°, 98%, 61%
CMYK
78, 52, 0, 1
Luminance
0.2188
Every format
| HEX | #397afd |
| RGB | rgb(57, 122, 253) |
| HSL | hsl(220, 98%, 61%) |
| CMYK | cmyk(78%, 52%, 0%, 1%) |
| LAB | lab(53.9 24.8 -71.1) |
| LCH | lch(53.9 75.3 289.3) |
| OKLCH | oklch(0.611 0.207 262.3) |
Copy-ready code
/* CSS */
color: #397afd;
background-color: #397afd;
/* Tailwind (arbitrary) */
class="text-[#397afd] bg-[#397afd]"
/* SCSS */
$brand: #397afd;
/* SwiftUI */
Color(red: 0.224, green: 0.478, blue: 0.992)
/* Android */
Color.parseColor("#397afd")Accessibility — WCAG contrast
Aa
#397afd on white: 3.91:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#397afd on black: 5.38:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green47.8%
Blue99.2%
CMYK percentages
Cyan77.5%
Magenta51.8%
Yellow0.0%
Key (black)0.8%
Color previews
#397afd text on a black background
contrast 5.38:1
Card sample
#397afd text on a white background
contrast 3.91:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #397afd;
Background color
Panel with #397afd background
background-color: #397afd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #397afd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 122, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 122, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #397afd; background: linear-gradient(135deg, #397afd, #7B39FD);