#3f3fff
a balanced, electric blue · warm · closest name: blue
RGB
63, 63, 255
HSL
240°, 100%, 62%
CMYK
75, 75, 0, 0
Luminance
0.1183
Every format
| HEX | #3f3fff |
| RGB | rgb(63, 63, 255) |
| HSL | hsl(240, 100%, 62%) |
| CMYK | cmyk(75%, 75%, 0%, 0%) |
| LAB | lab(40.9 61.0 -93.4) |
| LCH | lch(40.9 111.5 303.1) |
| OKLCH | oklch(0.517 0.271 271.8) |
Copy-ready code
/* CSS */
color: #3f3fff;
background-color: #3f3fff;
/* Tailwind (arbitrary) */
class="text-[#3f3fff] bg-[#3f3fff]"
/* SCSS */
$brand: #3f3fff;
/* SwiftUI */
Color(red: 0.247, green: 0.247, blue: 1.000)
/* Android */
Color.parseColor("#3f3fff")Accessibility — WCAG contrast
Aa
#3f3fff on white: 6.24:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3f3fff on black: 3.37:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green24.7%
Blue100.0%
CMYK percentages
Cyan75.3%
Magenta75.3%
Yellow0.0%
Key (black)0.0%
Color previews
#3f3fff text on a black background
contrast 3.37:1
Card sample
#3f3fff text on a white background
contrast 6.24:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f3fff;
Background color
Panel with #3f3fff background
background-color: #3f3fff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f3fff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 63, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 63, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f3fff; background: linear-gradient(135deg, #3f3fff, #BF3FFF);