#665ac7
a balanced, vivid blue · warm · closest name: slateblue
RGB
102, 90, 199
HSL
247°, 49%, 57%
CMYK
49, 55, 0, 22
Luminance
0.1426
Every format
| HEX | #665ac7 |
| RGB | rgb(102, 90, 199) |
| HSL | hsl(247, 49%, 57%) |
| CMYK | cmyk(49%, 55%, 0%, 22%) |
| LAB | lab(44.6 33.4 -55.5) |
| LCH | lch(44.6 64.8 301.0) |
| OKLCH | oklch(0.536 0.164 284.4) |
Copy-ready code
/* CSS */
color: #665ac7;
background-color: #665ac7;
/* Tailwind (arbitrary) */
class="text-[#665ac7] bg-[#665ac7]"
/* SCSS */
$brand: #665ac7;
/* SwiftUI */
Color(red: 0.400, green: 0.353, blue: 0.780)
/* Android */
Color.parseColor("#665ac7")Accessibility — WCAG contrast
Aa
#665ac7 on white: 5.45:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#665ac7 on black: 3.85:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green35.3%
Blue78.0%
CMYK percentages
Cyan48.7%
Magenta54.8%
Yellow0.0%
Key (black)22.0%
Color previews
#665ac7 text on a black background
contrast 3.85:1
Card sample
#665ac7 text on a white background
contrast 5.45:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #665ac7;
Background color
Panel with #665ac7 background
background-color: #665ac7;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #665ac7;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 90, 199, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 90, 199, 0.45);
Border & gradient
Gradient panel
border: 3px solid #665ac7; background: linear-gradient(135deg, #665ac7, #AF5AC7);