#3981db
a balanced, vivid blue · cool · closest name: dodgerblue
RGB
57, 129, 219
HSL
213°, 69%, 54%
CMYK
74, 41, 0, 14
Luminance
0.2168
Every format
| HEX | #3981db |
| RGB | rgb(57, 129, 219) |
| HSL | hsl(213, 69%, 54%) |
| CMYK | cmyk(74%, 41%, 0%, 14%) |
| LAB | lab(53.7 8.1 -52.5) |
| LCH | lch(53.7 53.1 278.8) |
| OKLCH | oklch(0.603 0.155 255.6) |
Copy-ready code
/* CSS */
color: #3981db;
background-color: #3981db;
/* Tailwind (arbitrary) */
class="text-[#3981db] bg-[#3981db]"
/* SCSS */
$brand: #3981db;
/* SwiftUI */
Color(red: 0.224, green: 0.506, blue: 0.859)
/* Android */
Color.parseColor("#3981db")Accessibility — WCAG contrast
Aa
#3981db on white: 3.93:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#3981db on black: 5.34:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green50.6%
Blue85.9%
CMYK percentages
Cyan74.0%
Magenta41.1%
Yellow0.0%
Key (black)14.1%
Color previews
#3981db text on a black background
contrast 5.34:1
Card sample
#3981db text on a white background
contrast 3.93:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3981db;
Background color
Panel with #3981db background
background-color: #3981db;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3981db;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 129, 219, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 129, 219, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3981db; background: linear-gradient(135deg, #3981db, #5D39DB);