#645bc9
a balanced, vivid blue · warm · closest name: slateblue
RGB
100, 91, 201
HSL
245°, 51%, 57%
CMYK
50, 55, 0, 21
Luminance
0.1441
Every format
| HEX | #645bc9 |
| RGB | rgb(100, 91, 201) |
| HSL | hsl(245, 51%, 57%) |
| CMYK | cmyk(50%, 55%, 0%, 21%) |
| LAB | lab(44.8 33.0 -56.3) |
| LCH | lch(44.8 65.3 300.3) |
| OKLCH | oklch(0.538 0.165 283.0) |
Copy-ready code
/* CSS */
color: #645bc9;
background-color: #645bc9;
/* Tailwind (arbitrary) */
class="text-[#645bc9] bg-[#645bc9]"
/* SCSS */
$brand: #645bc9;
/* SwiftUI */
Color(red: 0.392, green: 0.357, blue: 0.788)
/* Android */
Color.parseColor("#645bc9")Accessibility — WCAG contrast
Aa
#645bc9 on white: 5.41:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#645bc9 on black: 3.88:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green35.7%
Blue78.8%
CMYK percentages
Cyan50.2%
Magenta54.7%
Yellow0.0%
Key (black)21.2%
Color previews
#645bc9 text on a black background
contrast 3.88:1
Card sample
#645bc9 text on a white background
contrast 5.41:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #645bc9;
Background color
Panel with #645bc9 background
background-color: #645bc9;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #645bc9;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 91, 201, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 91, 201, 0.45);
Border & gradient
Gradient panel
border: 3px solid #645bc9; background: linear-gradient(135deg, #645bc9, #AD5BC9);