#663eee
a balanced, electric blue · warm · closest name: blue
RGB
102, 62, 238
HSL
254°, 84%, 59%
CMYK
57, 74, 0, 7
Luminance
0.1244
Every format
| HEX | #663eee |
| RGB | rgb(102, 62, 238) |
| HSL | hsl(254, 84%, 59%) |
| CMYK | cmyk(57%, 74%, 0%, 7%) |
| LAB | lab(41.9 60.3 -82.2) |
| LCH | lch(41.9 101.9 306.3) |
| OKLCH | oklch(0.526 0.245 284.7) |
Copy-ready code
/* CSS */
color: #663eee;
background-color: #663eee;
/* Tailwind (arbitrary) */
class="text-[#663eee] bg-[#663eee]"
/* SCSS */
$brand: #663eee;
/* SwiftUI */
Color(red: 0.400, green: 0.243, blue: 0.933)
/* Android */
Color.parseColor("#663eee")Accessibility — WCAG contrast
Aa
#663eee on white: 6.02:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#663eee on black: 3.49:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.0%
Green24.3%
Blue93.3%
CMYK percentages
Cyan57.1%
Magenta73.9%
Yellow0.0%
Key (black)6.7%
Color previews
#663eee text on a black background
contrast 3.49:1
Card sample
#663eee text on a white background
contrast 6.02:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #663eee;
Background color
Panel with #663eee background
background-color: #663eee;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #663eee;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(102, 62, 238, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(102, 62, 238, 0.45);
Border & gradient
Gradient panel
border: 3px solid #663eee; background: linear-gradient(135deg, #663eee, #DB3EEE);