#665bbc
a balanced, soft blue · warm · closest name: slateblue
RGB
102, 91, 188
HSL
247°, 42%, 55%
CMYK
46, 52, 0, 26
Luminance
0.1394
Every format
| HEX | #665bbc |
| RGB | rgb(102, 91, 188) |
| HSL | hsl(247, 42%, 55%) |
| CMYK | cmyk(46%, 52%, 0%, 26%) |
| LAB | lab(44.1 29.5 -49.9) |
| LCH | lch(44.1 57.9 300.6) |
| OKLCH | oklch(0.530 0.147 285.4) |
Copy-ready code
/* CSS */
color: #665bbc;
background-color: #665bbc;
/* Tailwind (arbitrary) */
class="text-[#665bbc] bg-[#665bbc]"
/* SCSS */
$brand: #665bbc;
/* SwiftUI */
Color(red: 0.400, green: 0.357, blue: 0.737)
/* Android */
Color.parseColor("#665bbc")Accessibility — WCAG contrast
Aa
#665bbc on white: 5.54:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#665bbc on black: 3.79:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green35.7%
Blue73.7%
CMYK percentages
Cyan45.7%
Magenta51.6%
Yellow0.0%
Key (black)26.3%
Color previews
#665bbc text on a black background
contrast 3.79:1
Card sample
#665bbc text on a white background
contrast 5.54:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #665bbc;
Background color
Panel with #665bbc background
background-color: #665bbc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #665bbc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 91, 188, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 91, 188, 0.45);
Border & gradient
Gradient panel
border: 3px solid #665bbc; background: linear-gradient(135deg, #665bbc, #A75BBC);