#3100f3
a balanced, electric blue · warm · closest name: blue
RGB
49, 0, 243
HSL
252°, 100%, 48%
CMYK
80, 100, 0, 5
Luminance
0.0712
Every format
| HEX | #3100f3 |
| RGB | rgb(49, 0, 243) |
| HSL | hsl(252, 100%, 48%) |
| CMYK | cmyk(80%, 100%, 0%, 5%) |
| LAB | lab(32.1 76.9 -101.4) |
| LCH | lch(32.1 127.3 307.2) |
| OKLCH | oklch(0.450 0.293 270.9) |
Copy-ready code
/* CSS */
color: #3100f3;
background-color: #3100f3;
/* Tailwind (arbitrary) */
class="text-[#3100f3] bg-[#3100f3]"
/* SCSS */
$brand: #3100f3;
/* SwiftUI */
Color(red: 0.192, green: 0.000, blue: 0.953)
/* Android */
Color.parseColor("#3100f3")Accessibility — WCAG contrast
Aa
#3100f3 on white: 8.66:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3100f3 on black: 2.42:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red19.2%
Green0.0%
Blue95.3%
CMYK percentages
Cyan79.8%
Magenta100.0%
Yellow0.0%
Key (black)4.7%
Color previews
#3100f3 text on a black background
contrast 2.42:1
Card sample
#3100f3 text on a white background
contrast 8.66:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3100f3;
Background color
Panel with #3100f3 background
background-color: #3100f3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3100f3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(49, 0, 243, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(49, 0, 243, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3100f3; background: linear-gradient(135deg, #3100f3, #D300F3);