#665ace
a balanced, vivid blue · warm · “slateblue”
RGB
102, 90, 206
HSL
246°, 54%, 58%
CMYK
51, 56, 0, 19
Luminance
0.1459
Every format
| HEX | #665ace |
| RGB | rgb(102, 90, 206) |
| HSL | hsl(246, 54%, 58%) |
| CMYK | cmyk(51%, 56%, 0%, 19%) |
| LAB | lab(45.1 35.5 -58.8) |
| LCH | lch(45.1 68.7 301.1) |
| OKLCH | oklch(0.541 0.173 283.7) |
Copy-ready code
/* CSS */
color: #665ace;
background-color: #665ace;
/* Tailwind (arbitrary) */
class="text-[#665ace] bg-[#665ace]"
/* SCSS */
$brand: #665ace;
/* SwiftUI */
Color(red: 0.400, green: 0.353, blue: 0.808)
/* Android */
Color.parseColor("#665ace")Accessibility — WCAG contrast
Aa
#665ace on white: 5.36:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#665ace on black: 3.92:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green35.3%
Blue80.8%
CMYK percentages
Cyan50.5%
Magenta56.3%
Yellow0.0%
Key (black)19.2%
Color previews
#665ace text on a black background
contrast 3.92:1
Card sample
#665ace text on a white background
contrast 5.36:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #665ace;
Background color
Panel with #665ace background
background-color: #665ace;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #665ace;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 90, 206, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 90, 206, 0.45);
Border & gradient
Gradient panel
border: 3px solid #665ace; background: linear-gradient(135deg, #665ace, #B35ACE);