#684ecf
a balanced, vivid blue · warm · closest name: slateblue
RGB
104, 78, 207
HSL
252°, 57%, 56%
CMYK
50, 62, 0, 19
Luminance
0.1290
Every format
| HEX | #684ecf |
| RGB | rgb(104, 78, 207) |
| HSL | hsl(252, 57%, 56%) |
| CMYK | cmyk(50%, 62%, 0%, 19%) |
| LAB | lab(42.6 43.3 -63.4) |
| LCH | lch(42.6 76.7 304.3) |
| OKLCH | oklch(0.523 0.190 287.2) |
Copy-ready code
/* CSS */
color: #684ecf;
background-color: #684ecf;
/* Tailwind (arbitrary) */
class="text-[#684ecf] bg-[#684ecf]"
/* SCSS */
$brand: #684ecf;
/* SwiftUI */
Color(red: 0.408, green: 0.306, blue: 0.812)
/* Android */
Color.parseColor("#684ecf")Accessibility — WCAG contrast
Aa
#684ecf on white: 5.87:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#684ecf on black: 3.58:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red40.8%
Green30.6%
Blue81.2%
CMYK percentages
Cyan49.8%
Magenta62.3%
Yellow0.0%
Key (black)18.8%
Color previews
#684ecf text on a black background
contrast 3.58:1
Card sample
#684ecf text on a white background
contrast 5.87:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #684ecf;
Background color
Panel with #684ecf background
background-color: #684ecf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #684ecf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(104, 78, 207, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(104, 78, 207, 0.45);
Border & gradient
Gradient panel
border: 3px solid #684ecf; background: linear-gradient(135deg, #684ecf, #BE4ECF);