#3151eb
a balanced, electric blue · warm · closest name: royalblue
RGB
49, 81, 235
HSL
230°, 82%, 56%
CMYK
79, 66, 0, 8
Luminance
0.1254
Every format
| HEX | #3151eb |
| RGB | rgb(49, 81, 235) |
| HSL | hsl(230, 82%, 56%) |
| CMYK | cmyk(79%, 66%, 0%, 8%) |
| LAB | lab(42.0 43.1 -80.4) |
| LCH | lch(42.0 91.2 298.2) |
| OKLCH | oklch(0.517 0.233 267.6) |
Copy-ready code
/* CSS */
color: #3151eb;
background-color: #3151eb;
/* Tailwind (arbitrary) */
class="text-[#3151eb] bg-[#3151eb]"
/* SCSS */
$brand: #3151eb;
/* SwiftUI */
Color(red: 0.192, green: 0.318, blue: 0.922)
/* Android */
Color.parseColor("#3151eb")Accessibility — WCAG contrast
Aa
#3151eb on white: 5.99:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3151eb on black: 3.51:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red19.2%
Green31.8%
Blue92.2%
CMYK percentages
Cyan79.1%
Magenta65.5%
Yellow0.0%
Key (black)7.8%
Color previews
#3151eb text on a black background
contrast 3.51:1
Card sample
#3151eb text on a white background
contrast 5.99:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3151eb;
Background color
Panel with #3151eb background
background-color: #3151eb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3151eb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(49, 81, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(49, 81, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3151eb; background: linear-gradient(135deg, #3151eb, #8D31EB);