#3f17fd
a balanced, electric blue · warm · closest name: blue
RGB
63, 23, 253
HSL
250°, 98%, 54%
CMYK
75, 91, 0, 1
Luminance
0.0876
Every format
| HEX | #3f17fd |
| RGB | rgb(63, 23, 253) |
| HSL | hsl(250, 98%, 54%) |
| CMYK | cmyk(75%, 91%, 0%, 1%) |
| LAB | lab(35.5 75.7 -101.3) |
| LCH | lch(35.5 126.5 306.8) |
| OKLCH | oklch(0.479 0.293 273.5) |
Copy-ready code
/* CSS */
color: #3f17fd;
background-color: #3f17fd;
/* Tailwind (arbitrary) */
class="text-[#3f17fd] bg-[#3f17fd]"
/* SCSS */
$brand: #3f17fd;
/* SwiftUI */
Color(red: 0.247, green: 0.090, blue: 0.992)
/* Android */
Color.parseColor("#3f17fd")Accessibility — WCAG contrast
Aa
#3f17fd on white: 7.63:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3f17fd on black: 2.75:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green9.0%
Blue99.2%
CMYK percentages
Cyan75.1%
Magenta90.9%
Yellow0.0%
Key (black)0.8%
Color previews
#3f17fd text on a black background
contrast 2.75:1
Card sample
#3f17fd text on a white background
contrast 7.63:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f17fd;
Background color
Panel with #3f17fd background
background-color: #3f17fd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f17fd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 23, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 23, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f17fd; background: linear-gradient(135deg, #3f17fd, #D817FD);