#0c3fd3
a dark, electric blue · cool · closest name: slateblue
RGB
12, 63, 211
HSL
225°, 89%, 44%
CMYK
94, 70, 0, 17
Luminance
0.0834
Every format
| HEX | #0c3fd3 |
| RGB | rgb(12, 63, 211) |
| HSL | hsl(225, 89%, 44%) |
| CMYK | cmyk(94%, 70%, 0%, 17%) |
| LAB | lab(34.7 43.6 -78.9) |
| LCH | lch(34.7 90.1 299.0) |
| OKLCH | oklch(0.454 0.230 264.0) |
Copy-ready code
/* CSS */
color: #0c3fd3;
background-color: #0c3fd3;
/* Tailwind (arbitrary) */
class="text-[#0c3fd3] bg-[#0c3fd3]"
/* SCSS */
$brand: #0c3fd3;
/* SwiftUI */
Color(red: 0.047, green: 0.247, blue: 0.827)
/* Android */
Color.parseColor("#0c3fd3")Accessibility — WCAG contrast
Aa
#0c3fd3 on white: 7.87:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#0c3fd3 on black: 2.67:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red4.7%
Green24.7%
Blue82.7%
CMYK percentages
Cyan94.3%
Magenta70.1%
Yellow0.0%
Key (black)17.3%
Color previews
#0c3fd3 text on a black background
contrast 2.67:1
Card sample
#0c3fd3 text on a white background
contrast 7.87:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0c3fd3;
Background color
Panel with #0c3fd3 background
background-color: #0c3fd3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0c3fd3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(12, 63, 211, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(12, 63, 211, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0c3fd3; background: linear-gradient(135deg, #0c3fd3, #5E0CD3);