#4271fd
a balanced, electric blue · cool · closest name: royalblue
RGB
66, 113, 253
HSL
225°, 98%, 63%
CMYK
74, 55, 0, 1
Luminance
0.2006
Every format
| HEX | #4271fd |
| RGB | rgb(66, 113, 253) |
| HSL | hsl(225, 98%, 63%) |
| CMYK | cmyk(74%, 55%, 0%, 1%) |
| LAB | lab(51.9 31.4 -74.3) |
| LCH | lch(51.9 80.7 292.9) |
| OKLCH | oklch(0.597 0.215 266.0) |
Copy-ready code
/* CSS */
color: #4271fd;
background-color: #4271fd;
/* Tailwind (arbitrary) */
class="text-[#4271fd] bg-[#4271fd]"
/* SCSS */
$brand: #4271fd;
/* SwiftUI */
Color(red: 0.259, green: 0.443, blue: 0.992)
/* Android */
Color.parseColor("#4271fd")Accessibility — WCAG contrast
Aa
#4271fd on white: 4.19:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#4271fd on black: 5.01:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red25.9%
Green44.3%
Blue99.2%
CMYK percentages
Cyan73.9%
Magenta55.3%
Yellow0.0%
Key (black)0.8%
Color previews
#4271fd text on a black background
contrast 5.01:1
Card sample
#4271fd text on a white background
contrast 4.19:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #4271fd;
Background color
Panel with #4271fd background
background-color: #4271fd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #4271fd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(66, 113, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(66, 113, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #4271fd; background: linear-gradient(135deg, #4271fd, #8F42FD);