#3b66fd
a balanced, electric blue · warm · closest name: royalblue
RGB
59, 102, 253
HSL
227°, 98%, 61%
CMYK
77, 60, 0, 1
Luminance
0.1752
Every format
| HEX | #3b66fd |
| RGB | rgb(59, 102, 253) |
| HSL | hsl(227, 98%, 61%) |
| CMYK | cmyk(77%, 60%, 0%, 1%) |
| LAB | lab(48.9 37.5 -79.2) |
| LCH | lch(48.9 87.6 295.3) |
| OKLCH | oklch(0.574 0.229 266.6) |
Copy-ready code
/* CSS */
color: #3b66fd;
background-color: #3b66fd;
/* Tailwind (arbitrary) */
class="text-[#3b66fd] bg-[#3b66fd]"
/* SCSS */
$brand: #3b66fd;
/* SwiftUI */
Color(red: 0.231, green: 0.400, blue: 0.992)
/* Android */
Color.parseColor("#3b66fd")Accessibility — WCAG contrast
Aa
#3b66fd on white: 4.66:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3b66fd on black: 4.50:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red23.1%
Green40.0%
Blue99.2%
CMYK percentages
Cyan76.7%
Magenta59.7%
Yellow0.0%
Key (black)0.8%
Color previews
#3b66fd text on a black background
contrast 4.50:1
Card sample
#3b66fd text on a white background
contrast 4.66:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3b66fd;
Background color
Panel with #3b66fd background
background-color: #3b66fd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3b66fd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(59, 102, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(59, 102, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3b66fd; background: linear-gradient(135deg, #3b66fd, #913BFD);