#3971cd
a balanced, vivid blue · cool · closest name: dodgerblue
RGB
57, 113, 205
HSL
217°, 60%, 51%
CMYK
72, 45, 0, 20
Luminance
0.1709
Every format
| HEX | #3971cd |
| RGB | rgb(57, 113, 205) |
| HSL | hsl(217, 60%, 51%) |
| CMYK | cmyk(72%, 45%, 0%, 20%) |
| LAB | lab(48.4 12.9 -53.0) |
| LCH | lch(48.4 54.6 283.6) |
| OKLCH | oklch(0.559 0.154 259.8) |
Copy-ready code
/* CSS */
color: #3971cd;
background-color: #3971cd;
/* Tailwind (arbitrary) */
class="text-[#3971cd] bg-[#3971cd]"
/* SCSS */
$brand: #3971cd;
/* SwiftUI */
Color(red: 0.224, green: 0.443, blue: 0.804)
/* Android */
Color.parseColor("#3971cd")Accessibility — WCAG contrast
Aa
#3971cd on white: 4.75:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3971cd on black: 4.42:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green44.3%
Blue80.4%
CMYK percentages
Cyan72.2%
Magenta44.9%
Yellow0.0%
Key (black)19.6%
Color previews
#3971cd text on a black background
contrast 4.42:1
Card sample
#3971cd text on a white background
contrast 4.75:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3971cd;
Background color
Panel with #3971cd background
background-color: #3971cd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3971cd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 113, 205, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 113, 205, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3971cd; background: linear-gradient(135deg, #3971cd, #6439CD);