#3f08eb
a balanced, electric blue · warm · closest name: blue
RGB
63, 8, 235
HSL
255°, 93%, 48%
CMYK
73, 97, 0, 8
Luminance
0.0723
Every format
| HEX | #3f08eb |
| RGB | rgb(63, 8, 235) |
| HSL | hsl(255, 93%, 48%) |
| CMYK | cmyk(73%, 97%, 0%, 8%) |
| LAB | lab(32.3 74.2 -96.5) |
| LCH | lch(32.3 121.7 307.5) |
| OKLCH | oklch(0.451 0.280 275.2) |
Copy-ready code
/* CSS */
color: #3f08eb;
background-color: #3f08eb;
/* Tailwind (arbitrary) */
class="text-[#3f08eb] bg-[#3f08eb]"
/* SCSS */
$brand: #3f08eb;
/* SwiftUI */
Color(red: 0.247, green: 0.031, blue: 0.922)
/* Android */
Color.parseColor("#3f08eb")Accessibility — WCAG contrast
Aa
#3f08eb on white: 8.59:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3f08eb on black: 2.45:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green3.1%
Blue92.2%
CMYK percentages
Cyan73.2%
Magenta96.6%
Yellow0.0%
Key (black)7.8%
Color previews
#3f08eb text on a black background
contrast 2.45:1
Card sample
#3f08eb text on a white background
contrast 8.59:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f08eb;
Background color
Panel with #3f08eb background
background-color: #3f08eb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f08eb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 8, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 8, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f08eb; background: linear-gradient(135deg, #3f08eb, #D608EB);