#3979db
a balanced, vivid blue · cool · closest name: dodgerblue
RGB
57, 121, 219
HSL
216°, 69%, 54%
CMYK
74, 45, 0, 14
Luminance
0.1966
Every format
| HEX | #3979db |
| RGB | rgb(57, 121, 219) |
| HSL | hsl(216, 69%, 54%) |
| CMYK | cmyk(74%, 45%, 0%, 14%) |
| LAB | lab(51.5 13.0 -56.1) |
| LCH | lch(51.5 57.5 283.1) |
| OKLCH | oklch(0.585 0.164 258.8) |
Copy-ready code
/* CSS */
color: #3979db;
background-color: #3979db;
/* Tailwind (arbitrary) */
class="text-[#3979db] bg-[#3979db]"
/* SCSS */
$brand: #3979db;
/* SwiftUI */
Color(red: 0.224, green: 0.475, blue: 0.859)
/* Android */
Color.parseColor("#3979db")Accessibility — WCAG contrast
Aa
#3979db on white: 4.26:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#3979db on black: 4.93:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green47.5%
Blue85.9%
CMYK percentages
Cyan74.0%
Magenta44.7%
Yellow0.0%
Key (black)14.1%
Color previews
#3979db text on a black background
contrast 4.93:1
Card sample
#3979db text on a white background
contrast 4.26:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3979db;
Background color
Panel with #3979db background
background-color: #3979db;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3979db;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 121, 219, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 121, 219, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3979db; background: linear-gradient(135deg, #3979db, #6539DB);