#646ccc
a balanced, vivid blue · warm · closest name: royalblue
RGB
100, 108, 204
HSL
235°, 51%, 60%
CMYK
51, 47, 0, 20
Luminance
0.1779
Every format
| HEX | #646ccc |
| RGB | rgb(100, 108, 204) |
| HSL | hsl(235, 51%, 60%) |
| CMYK | cmyk(51%, 47%, 0%, 20%) |
| LAB | lab(49.2 23.5 -51.0) |
| LCH | lch(49.2 56.1 294.8) |
| OKLCH | oklch(0.572 0.146 277.1) |
Copy-ready code
/* CSS */
color: #646ccc;
background-color: #646ccc;
/* Tailwind (arbitrary) */
class="text-[#646ccc] bg-[#646ccc]"
/* SCSS */
$brand: #646ccc;
/* SwiftUI */
Color(red: 0.392, green: 0.424, blue: 0.800)
/* Android */
Color.parseColor("#646ccc")Accessibility — WCAG contrast
Aa
#646ccc on white: 4.61:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#646ccc on black: 4.56:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green42.4%
Blue80.0%
CMYK percentages
Cyan51.0%
Magenta47.1%
Yellow0.0%
Key (black)20.0%
Color previews
#646ccc text on a black background
contrast 4.56:1
Card sample
#646ccc text on a white background
contrast 4.61:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #646ccc;
Background color
Panel with #646ccc background
background-color: #646ccc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #646ccc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 108, 204, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 108, 204, 0.45);
Border & gradient
Gradient panel
border: 3px solid #646ccc; background: linear-gradient(135deg, #646ccc, #A164CC);