#3f10cf
a dark, electric blue · warm · closest name: blue
RGB
63, 16, 207
HSL
255°, 86%, 44%
CMYK
70, 92, 0, 19
Luminance
0.0593
Every format
| HEX | #3f10cf |
| RGB | rgb(63, 16, 207) |
| HSL | hsl(255, 86%, 44%) |
| CMYK | cmyk(70%, 92%, 0%, 19%) |
| LAB | lab(29.2 65.8 -85.5) |
| LCH | lch(29.2 107.9 307.6) |
| OKLCH | oklch(0.421 0.249 278.0) |
Copy-ready code
/* CSS */
color: #3f10cf;
background-color: #3f10cf;
/* Tailwind (arbitrary) */
class="text-[#3f10cf] bg-[#3f10cf]"
/* SCSS */
$brand: #3f10cf;
/* SwiftUI */
Color(red: 0.247, green: 0.063, blue: 0.812)
/* Android */
Color.parseColor("#3f10cf")Accessibility — WCAG contrast
Aa
#3f10cf on white: 9.60:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3f10cf on black: 2.19:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green6.3%
Blue81.2%
CMYK percentages
Cyan69.6%
Magenta92.3%
Yellow0.0%
Key (black)18.8%
Color previews
#3f10cf text on a black background
contrast 2.19:1
Card sample
#3f10cf text on a white background
contrast 9.60:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f10cf;
Background color
Panel with #3f10cf background
background-color: #3f10cf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f10cf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 16, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 16, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f10cf; background: linear-gradient(135deg, #3f10cf, #BE10CF);