#3f10cd
a dark, electric blue · warm · closest name: blue
RGB
63, 16, 205
HSL
255°, 86%, 43%
CMYK
69, 92, 0, 20
Luminance
0.0584
Every format
| HEX | #3f10cd |
| RGB | rgb(63, 16, 205) |
| HSL | hsl(255, 86%, 43%) |
| CMYK | cmyk(69%, 92%, 0%, 20%) |
| LAB | lab(29.0 65.3 -84.7) |
| LCH | lch(29.0 107.0 307.6) |
| OKLCH | oklch(0.418 0.247 278.2) |
Copy-ready code
/* CSS */
color: #3f10cd;
background-color: #3f10cd;
/* Tailwind (arbitrary) */
class="text-[#3f10cd] bg-[#3f10cd]"
/* SCSS */
$brand: #3f10cd;
/* SwiftUI */
Color(red: 0.247, green: 0.063, blue: 0.804)
/* Android */
Color.parseColor("#3f10cd")Accessibility — WCAG contrast
Aa
#3f10cd on white: 9.69:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3f10cd on black: 2.17:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green6.3%
Blue80.4%
CMYK percentages
Cyan69.3%
Magenta92.2%
Yellow0.0%
Key (black)19.6%
Color previews
#3f10cd text on a black background
contrast 2.17:1
Card sample
#3f10cd text on a white background
contrast 9.69:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f10cd;
Background color
Panel with #3f10cd background
background-color: #3f10cd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f10cd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 16, 205, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 16, 205, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f10cd; background: linear-gradient(135deg, #3f10cd, #BD10CD);