#646ddf
a balanced, vivid blue · warm · closest name: royalblue
RGB
100, 109, 223
HSL
236°, 66%, 63%
CMYK
55, 51, 0, 13
Luminance
0.1897
Every format
| HEX | #646ddf |
| RGB | rgb(100, 109, 223) |
| HSL | hsl(236, 66%, 63%) |
| CMYK | cmyk(55%, 51%, 0%, 13%) |
| LAB | lab(50.7 28.9 -59.5) |
| LCH | lch(50.7 66.1 295.9) |
| OKLCH | oklch(0.586 0.171 276.4) |
Copy-ready code
/* CSS */
color: #646ddf;
background-color: #646ddf;
/* Tailwind (arbitrary) */
class="text-[#646ddf] bg-[#646ddf]"
/* SCSS */
$brand: #646ddf;
/* SwiftUI */
Color(red: 0.392, green: 0.427, blue: 0.875)
/* Android */
Color.parseColor("#646ddf")Accessibility — WCAG contrast
Aa
#646ddf on white: 4.38:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#646ddf on black: 4.79:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green42.7%
Blue87.5%
CMYK percentages
Cyan55.2%
Magenta51.1%
Yellow0.0%
Key (black)12.5%
Color previews
#646ddf text on a black background
contrast 4.79:1
Card sample
#646ddf text on a white background
contrast 4.38:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #646ddf;
Background color
Panel with #646ddf background
background-color: #646ddf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #646ddf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 109, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 109, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #646ddf; background: linear-gradient(135deg, #646ddf, #AD64DF);