#3151fd
a balanced, electric blue · warm · closest name: royalblue
RGB
49, 81, 253
HSL
231°, 98%, 59%
CMYK
81, 68, 0, 1
Luminance
0.1363
Every format
| HEX | #3151fd |
| RGB | rgb(49, 81, 253) |
| HSL | hsl(231, 98%, 59%) |
| CMYK | cmyk(81%, 68%, 0%, 1%) |
| LAB | lab(43.7 49.4 -87.8) |
| LCH | lch(43.7 100.7 299.4) |
| OKLCH | oklch(0.534 0.255 267.6) |
Copy-ready code
/* CSS */
color: #3151fd;
background-color: #3151fd;
/* Tailwind (arbitrary) */
class="text-[#3151fd] bg-[#3151fd]"
/* SCSS */
$brand: #3151fd;
/* SwiftUI */
Color(red: 0.192, green: 0.318, blue: 0.992)
/* Android */
Color.parseColor("#3151fd")Accessibility — WCAG contrast
Aa
#3151fd on white: 5.64:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3151fd on black: 3.73:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red19.2%
Green31.8%
Blue99.2%
CMYK percentages
Cyan80.6%
Magenta68.0%
Yellow0.0%
Key (black)0.8%
Color previews
#3151fd text on a black background
contrast 3.73:1
Card sample
#3151fd text on a white background
contrast 5.64:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3151fd;
Background color
Panel with #3151fd background
background-color: #3151fd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3151fd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(49, 81, 253, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(49, 81, 253, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3151fd; background: linear-gradient(135deg, #3151fd, #9931FD);