#3977cb
a balanced, vivid blue · cool · closest name: dodgerblue
RGB
57, 119, 203
HSL
215°, 58%, 51%
CMYK
72, 41, 0, 20
Luminance
0.1838
Every format
| HEX | #3977cb |
| RGB | rgb(57, 119, 203) |
| HSL | hsl(215, 58%, 51%) |
| CMYK | cmyk(72%, 41%, 0%, 20%) |
| LAB | lab(50.0 8.4 -49.4) |
| LCH | lch(50.0 50.1 279.7) |
| OKLCH | oklch(0.571 0.145 256.8) |
Copy-ready code
/* CSS */
color: #3977cb;
background-color: #3977cb;
/* Tailwind (arbitrary) */
class="text-[#3977cb] bg-[#3977cb]"
/* SCSS */
$brand: #3977cb;
/* SwiftUI */
Color(red: 0.224, green: 0.467, blue: 0.796)
/* Android */
Color.parseColor("#3977cb")Accessibility — WCAG contrast
Aa
#3977cb on white: 4.49:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#3977cb on black: 4.68:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green46.7%
Blue79.6%
CMYK percentages
Cyan71.9%
Magenta41.4%
Yellow0.0%
Key (black)20.4%
Color previews
#3977cb text on a black background
contrast 4.68:1
Card sample
#3977cb text on a white background
contrast 4.49:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3977cb;
Background color
Panel with #3977cb background
background-color: #3977cb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3977cb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 119, 203, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 119, 203, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3977cb; background: linear-gradient(135deg, #3977cb, #5C39CB);