#6563cf
a balanced, vivid blue · warm · closest name: slateblue
RGB
101, 99, 207
HSL
241°, 53%, 60%
CMYK
51, 52, 0, 19
Luminance
0.1620
Every format
| HEX | #6563cf |
| RGB | rgb(101, 99, 207) |
| HSL | hsl(241, 53%, 60%) |
| CMYK | cmyk(51%, 52%, 0%, 19%) |
| LAB | lab(47.2 30.2 -55.9) |
| LCH | lch(47.2 63.5 298.4) |
| OKLCH | oklch(0.557 0.162 280.6) |
Copy-ready code
/* CSS */
color: #6563cf;
background-color: #6563cf;
/* Tailwind (arbitrary) */
class="text-[#6563cf] bg-[#6563cf]"
/* SCSS */
$brand: #6563cf;
/* SwiftUI */
Color(red: 0.396, green: 0.388, blue: 0.812)
/* Android */
Color.parseColor("#6563cf")Accessibility — WCAG contrast
Aa
#6563cf on white: 4.95:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#6563cf on black: 4.24:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.6%
Green38.8%
Blue81.2%
CMYK percentages
Cyan51.2%
Magenta52.2%
Yellow0.0%
Key (black)18.8%
Color previews
#6563cf text on a black background
contrast 4.24:1
Card sample
#6563cf text on a white background
contrast 4.95:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #6563cf;
Background color
Panel with #6563cf background
background-color: #6563cf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #6563cf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(101, 99, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(101, 99, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #6563cf; background: linear-gradient(135deg, #6563cf, #AD63CF);