#3f59eb
a balanced, electric blue · warm · closest name: royalblue
RGB
63, 89, 235
HSL
231°, 81%, 58%
CMYK
73, 62, 0, 8
Luminance
0.1420
Every format
| HEX | #3f59eb |
| RGB | rgb(63, 89, 235) |
| HSL | hsl(231, 81%, 58%) |
| CMYK | cmyk(73%, 62%, 0%, 8%) |
| LAB | lab(44.5 39.6 -76.3) |
| LCH | lch(44.5 86.0 297.4) |
| OKLCH | oklch(0.537 0.221 269.5) |
Copy-ready code
/* CSS */
color: #3f59eb;
background-color: #3f59eb;
/* Tailwind (arbitrary) */
class="text-[#3f59eb] bg-[#3f59eb]"
/* SCSS */
$brand: #3f59eb;
/* SwiftUI */
Color(red: 0.247, green: 0.349, blue: 0.922)
/* Android */
Color.parseColor("#3f59eb")Accessibility — WCAG contrast
Aa
#3f59eb on white: 5.47:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3f59eb on black: 3.84:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green34.9%
Blue92.2%
CMYK percentages
Cyan73.2%
Magenta62.1%
Yellow0.0%
Key (black)7.8%
Color previews
#3f59eb text on a black background
contrast 3.84:1
Card sample
#3f59eb text on a white background
contrast 5.47:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f59eb;
Background color
Panel with #3f59eb background
background-color: #3f59eb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f59eb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 89, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 89, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f59eb; background: linear-gradient(135deg, #3f59eb, #983FEB);