#0664fd
a balanced, electric blue · cool · closest name: royalblue
RGB
6, 100, 253
HSL
217°, 98%, 51%
CMYK
98, 61, 0, 1
Luminance
0.1624
Every format
| HEX | #0664fd |
| RGB | rgb(6, 100, 253) |
| HSL | hsl(217, 98%, 51%) |
| CMYK | cmyk(98%, 61%, 0%, 1%) |
| LAB | lab(47.3 35.8 -81.9) |
| LCH | lch(47.3 89.4 293.6) |
| OKLCH | oklch(0.558 0.240 261.2) |
Copy-ready code
/* CSS */
color: #0664fd;
background-color: #0664fd;
/* Tailwind (arbitrary) */
class="text-[#0664fd] bg-[#0664fd]"
/* SCSS */
$brand: #0664fd;
/* SwiftUI */
Color(red: 0.024, green: 0.392, blue: 0.992)
/* Android */
Color.parseColor("#0664fd")Accessibility — WCAG contrast
Aa
#0664fd on white: 4.94:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#0664fd on black: 4.25:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red2.4%
Green39.2%
Blue99.2%
CMYK percentages
Cyan97.6%
Magenta60.5%
Yellow0.0%
Key (black)0.8%
Color previews
#0664fd text on a black background
contrast 4.25:1
Card sample
#0664fd text on a white background
contrast 4.94:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0664fd;
Background color
Panel with #0664fd background
background-color: #0664fd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0664fd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(6, 100, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(6, 100, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0664fd; background: linear-gradient(135deg, #0664fd, #4D06FD);