#646dfb
a light, electric blue · warm · closest name: royalblue
RGB
100, 109, 251
HSL
236°, 95%, 69%
CMYK
60, 57, 0, 2
Luminance
0.2061
Every format
| HEX | #646dfb |
| RGB | rgb(100, 109, 251) |
| HSL | hsl(236, 95%, 69%) |
| CMYK | cmyk(60%, 57%, 0%, 2%) |
| LAB | lab(52.5 37.9 -72.1) |
| LCH | lch(52.5 81.5 297.7) |
| OKLCH | oklch(0.606 0.208 275.5) |
Copy-ready code
/* CSS */
color: #646dfb;
background-color: #646dfb;
/* Tailwind (arbitrary) */
class="text-[#646dfb] bg-[#646dfb]"
/* SCSS */
$brand: #646dfb;
/* SwiftUI */
Color(red: 0.392, green: 0.427, blue: 0.984)
/* Android */
Color.parseColor("#646dfb")Accessibility — WCAG contrast
Aa
#646dfb on white: 4.10:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#646dfb on black: 5.12:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green42.7%
Blue98.4%
CMYK percentages
Cyan60.2%
Magenta56.6%
Yellow0.0%
Key (black)1.6%
Color previews
#646dfb text on a black background
contrast 5.12:1
Card sample
#646dfb text on a white background
contrast 4.10:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #646dfb;
Background color
Panel with #646dfb background
background-color: #646dfb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #646dfb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 109, 251, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 109, 251, 0.45);
Border & gradient
Gradient panel
border: 3px solid #646dfb; background: linear-gradient(135deg, #646dfb, #C064FB);