#3f17d4
a balanced, electric blue · warm · closest name: blue
RGB
63, 23, 212
HSL
253°, 80%, 46%
CMYK
70, 89, 0, 17
Luminance
0.0642
Every format
| HEX | #3f17d4 |
| RGB | rgb(63, 23, 212) |
| HSL | hsl(253, 80%, 46%) |
| CMYK | cmyk(70%, 89%, 0%, 17%) |
| LAB | lab(30.4 65.3 -86.4) |
| LCH | lch(30.4 108.3 307.1) |
| OKLCH | oklch(0.431 0.251 277.2) |
Copy-ready code
/* CSS */
color: #3f17d4;
background-color: #3f17d4;
/* Tailwind (arbitrary) */
class="text-[#3f17d4] bg-[#3f17d4]"
/* SCSS */
$brand: #3f17d4;
/* SwiftUI */
Color(red: 0.247, green: 0.090, blue: 0.831)
/* Android */
Color.parseColor("#3f17d4")Accessibility — WCAG contrast
Aa
#3f17d4 on white: 9.19:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3f17d4 on black: 2.28:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green9.0%
Blue83.1%
CMYK percentages
Cyan70.3%
Magenta89.2%
Yellow0.0%
Key (black)16.9%
Color previews
#3f17d4 text on a black background
contrast 2.28:1
Card sample
#3f17d4 text on a white background
contrast 9.19:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f17d4;
Background color
Panel with #3f17d4 background
background-color: #3f17d4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f17d4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 23, 212, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 23, 212, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f17d4; background: linear-gradient(135deg, #3f17d4, #BD17D4);