#0331ff
a balanced, electric blue · warm · closest name: blue
RGB
3, 49, 255
HSL
229°, 100%, 51%
CMYK
99, 81, 0, 0
Luminance
0.0944
Every format
| HEX | #0331ff |
| RGB | rgb(3, 49, 255) |
| HSL | hsl(229, 100%, 51%) |
| CMYK | cmyk(99%, 81%, 0%, 0%) |
| LAB | lab(36.8 65.7 -100.3) |
| LCH | lch(36.8 119.9 303.2) |
| OKLCH | oklch(0.483 0.292 264.3) |
Copy-ready code
/* CSS */
color: #0331ff;
background-color: #0331ff;
/* Tailwind (arbitrary) */
class="text-[#0331ff] bg-[#0331ff]"
/* SCSS */
$brand: #0331ff;
/* SwiftUI */
Color(red: 0.012, green: 0.192, blue: 1.000)
/* Android */
Color.parseColor("#0331ff")Accessibility — WCAG contrast
Aa
#0331ff on white: 7.27:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#0331ff on black: 2.89:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.2%
Green19.2%
Blue100.0%
CMYK percentages
Cyan98.8%
Magenta80.8%
Yellow0.0%
Key (black)0.0%
Color previews
#0331ff text on a black background
contrast 2.89:1
Card sample
#0331ff text on a white background
contrast 7.27:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0331ff;
Background color
Panel with #0331ff background
background-color: #0331ff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0331ff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(3, 49, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(3, 49, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0331ff; background: linear-gradient(135deg, #0331ff, #7D03FF);