#665bc9
a balanced, vivid blue · warm · closest name: slateblue
RGB
102, 91, 201
HSL
246°, 51%, 57%
CMYK
49, 55, 0, 21
Luminance
0.1452
Every format
| HEX | #665bc9 |
| RGB | rgb(102, 91, 201) |
| HSL | hsl(246, 51%, 57%) |
| CMYK | cmyk(49%, 55%, 0%, 21%) |
| LAB | lab(45.0 33.4 -56.1) |
| LCH | lch(45.0 65.3 300.8) |
| OKLCH | oklch(0.539 0.165 283.9) |
Copy-ready code
/* CSS */
color: #665bc9;
background-color: #665bc9;
/* Tailwind (arbitrary) */
class="text-[#665bc9] bg-[#665bc9]"
/* SCSS */
$brand: #665bc9;
/* SwiftUI */
Color(red: 0.400, green: 0.357, blue: 0.788)
/* Android */
Color.parseColor("#665bc9")Accessibility — WCAG contrast
Aa
#665bc9 on white: 5.38:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#665bc9 on black: 3.90:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green35.7%
Blue78.8%
CMYK percentages
Cyan49.3%
Magenta54.7%
Yellow0.0%
Key (black)21.2%
Color previews
#665bc9 text on a black background
contrast 3.90:1
Card sample
#665bc9 text on a white background
contrast 5.38:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #665bc9;
Background color
Panel with #665bc9 background
background-color: #665bc9;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #665bc9;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 91, 201, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 91, 201, 0.45);
Border & gradient
Gradient panel
border: 3px solid #665bc9; background: linear-gradient(135deg, #665bc9, #AF5BC9);