#647bdf
a balanced, vivid blue · warm · closest name: royalblue
RGB
100, 123, 223
HSL
229°, 66%, 63%
CMYK
55, 45, 0, 13
Luminance
0.2220
Every format
| HEX | #647bdf |
| RGB | rgb(100, 123, 223) |
| HSL | hsl(229, 66%, 63%) |
| CMYK | cmyk(55%, 45%, 0%, 13%) |
| LAB | lab(54.2 20.4 -53.7) |
| LCH | lch(54.2 57.5 290.8) |
| OKLCH | oklch(0.613 0.153 271.5) |
Copy-ready code
/* CSS */
color: #647bdf;
background-color: #647bdf;
/* Tailwind (arbitrary) */
class="text-[#647bdf] bg-[#647bdf]"
/* SCSS */
$brand: #647bdf;
/* SwiftUI */
Color(red: 0.392, green: 0.482, blue: 0.875)
/* Android */
Color.parseColor("#647bdf")Accessibility — WCAG contrast
Aa
#647bdf on white: 3.86:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#647bdf on black: 5.44:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red39.2%
Green48.2%
Blue87.5%
CMYK percentages
Cyan55.2%
Magenta44.8%
Yellow0.0%
Key (black)12.5%
Color previews
#647bdf text on a black background
contrast 5.44:1
Card sample
#647bdf text on a white background
contrast 3.86:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #647bdf;
Background color
Panel with #647bdf background
background-color: #647bdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #647bdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(100, 123, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(100, 123, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #647bdf; background: linear-gradient(135deg, #647bdf, #9F64DF);