#5b66eb
a balanced, electric blue · warm · closest name: royalblue
RGB
91, 102, 235
HSL
235°, 78%, 64%
CMYK
61, 57, 0, 8
Luminance
0.1773
Every format
| HEX | #5b66eb |
| RGB | rgb(91, 102, 235) |
| HSL | hsl(235, 78%, 64%) |
| CMYK | cmyk(61%, 57%, 0%, 8%) |
| LAB | lab(49.2 35.4 -68.7) |
| LCH | lch(49.2 77.3 297.3) |
| OKLCH | oklch(0.576 0.198 274.7) |
Copy-ready code
/* CSS */
color: #5b66eb;
background-color: #5b66eb;
/* Tailwind (arbitrary) */
class="text-[#5b66eb] bg-[#5b66eb]"
/* SCSS */
$brand: #5b66eb;
/* SwiftUI */
Color(red: 0.357, green: 0.400, blue: 0.922)
/* Android */
Color.parseColor("#5b66eb")Accessibility — WCAG contrast
Aa
#5b66eb on white: 4.62:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#5b66eb on black: 4.55:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red35.7%
Green40.0%
Blue92.2%
CMYK percentages
Cyan61.3%
Magenta56.6%
Yellow0.0%
Key (black)7.8%
Color previews
#5b66eb text on a black background
contrast 4.55:1
Card sample
#5b66eb text on a white background
contrast 4.62:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #5b66eb;
Background color
Panel with #5b66eb background
background-color: #5b66eb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #5b66eb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(91, 102, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(91, 102, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #5b66eb; background: linear-gradient(135deg, #5b66eb, #B05BEB);