#665abc
a balanced, soft blue · warm · closest name: slateblue
RGB
102, 90, 188
HSL
247°, 42%, 55%
CMYK
46, 52, 0, 26
Luminance
0.1377
Every format
| HEX | #665abc |
| RGB | rgb(102, 90, 188) |
| HSL | hsl(247, 42%, 55%) |
| CMYK | cmyk(46%, 52%, 0%, 26%) |
| LAB | lab(43.9 30.1 -50.3) |
| LCH | lch(43.9 58.6 300.9) |
| OKLCH | oklch(0.528 0.149 285.7) |
Copy-ready code
/* CSS */
color: #665abc;
background-color: #665abc;
/* Tailwind (arbitrary) */
class="text-[#665abc] bg-[#665abc]"
/* SCSS */
$brand: #665abc;
/* SwiftUI */
Color(red: 0.400, green: 0.353, blue: 0.737)
/* Android */
Color.parseColor("#665abc")Accessibility — WCAG contrast
Aa
#665abc on white: 5.59:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#665abc on black: 3.75:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green35.3%
Blue73.7%
CMYK percentages
Cyan45.7%
Magenta52.1%
Yellow0.0%
Key (black)26.3%
Color previews
#665abc text on a black background
contrast 3.75:1
Card sample
#665abc text on a white background
contrast 5.59:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #665abc;
Background color
Panel with #665abc background
background-color: #665abc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #665abc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 90, 188, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 90, 188, 0.45);
Border & gradient
Gradient panel
border: 3px solid #665abc; background: linear-gradient(135deg, #665abc, #A75ABC);