#6366eb
a light, electric blue · warm · closest name: slateblue
RGB
99, 102, 235
HSL
239°, 77%, 66%
CMYK
58, 57, 0, 8
Luminance
0.1815
Every format
| HEX | #6366eb |
| RGB | rgb(99, 102, 235) |
| HSL | hsl(239, 77%, 66%) |
| CMYK | cmyk(58%, 57%, 0%, 8%) |
| LAB | lab(49.7 36.8 -67.8) |
| LCH | lch(49.7 77.1 298.5) |
| OKLCH | oklch(0.581 0.196 277.4) |
Copy-ready code
/* CSS */
color: #6366eb;
background-color: #6366eb;
/* Tailwind (arbitrary) */
class="text-[#6366eb] bg-[#6366eb]"
/* SCSS */
$brand: #6366eb;
/* SwiftUI */
Color(red: 0.388, green: 0.400, blue: 0.922)
/* Android */
Color.parseColor("#6366eb")Accessibility — WCAG contrast
Aa
#6366eb on white: 4.53:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#6366eb on black: 4.63:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red38.8%
Green40.0%
Blue92.2%
CMYK percentages
Cyan57.9%
Magenta56.6%
Yellow0.0%
Key (black)7.8%
Color previews
#6366eb text on a black background
contrast 4.63:1
Card sample
#6366eb text on a white background
contrast 4.53:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #6366eb;
Background color
Panel with #6366eb background
background-color: #6366eb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #6366eb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(99, 102, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(99, 102, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #6366eb; background: linear-gradient(135deg, #6366eb, #BB63EB);