#5166fd
a light, electric blue · warm · closest name: royalblue
RGB
81, 102, 253
HSL
233°, 98%, 66%
CMYK
68, 60, 0, 1
Luminance
0.1834
Every format
| HEX | #5166fd |
| RGB | rgb(81, 102, 253) |
| HSL | hsl(233, 98%, 66%) |
| CMYK | cmyk(68%, 60%, 0%, 1%) |
| LAB | lab(49.9 39.9 -77.5) |
| LCH | lch(49.9 87.2 297.3) |
| OKLCH | oklch(0.584 0.224 271.5) |
Copy-ready code
/* CSS */
color: #5166fd;
background-color: #5166fd;
/* Tailwind (arbitrary) */
class="text-[#5166fd] bg-[#5166fd]"
/* SCSS */
$brand: #5166fd;
/* SwiftUI */
Color(red: 0.318, green: 0.400, blue: 0.992)
/* Android */
Color.parseColor("#5166fd")Accessibility — WCAG contrast
Aa
#5166fd on white: 4.50:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#5166fd on black: 4.67:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green40.0%
Blue99.2%
CMYK percentages
Cyan68.0%
Magenta59.7%
Yellow0.0%
Key (black)0.8%
Color previews
#5166fd text on a black background
contrast 4.67:1
Card sample
#5166fd text on a white background
contrast 4.50:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #5166fd;
Background color
Panel with #5166fd background
background-color: #5166fd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #5166fd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 102, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 102, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #5166fd; background: linear-gradient(135deg, #5166fd, #AF51FD);