#0a3bff
a balanced, electric blue · warm · closest name: blue
RGB
10, 59, 255
HSL
228°, 100%, 52%
CMYK
96, 77, 0, 0
Luminance
0.1041
Every format
| HEX | #0a3bff |
| RGB | rgb(10, 59, 255) |
| HSL | hsl(228, 100%, 52%) |
| CMYK | cmyk(96%, 77%, 0%, 0%) |
| LAB | lab(38.6 60.9 -97.4) |
| LCH | lch(38.6 114.8 302.0) |
| OKLCH | oklch(0.496 0.284 264.5) |
Copy-ready code
/* CSS */
color: #0a3bff;
background-color: #0a3bff;
/* Tailwind (arbitrary) */
class="text-[#0a3bff] bg-[#0a3bff]"
/* SCSS */
$brand: #0a3bff;
/* SwiftUI */
Color(red: 0.039, green: 0.231, blue: 1.000)
/* Android */
Color.parseColor("#0a3bff")Accessibility — WCAG contrast
Aa
#0a3bff on white: 6.81:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#0a3bff on black: 3.08:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red3.9%
Green23.1%
Blue100.0%
CMYK percentages
Cyan96.1%
Magenta76.9%
Yellow0.0%
Key (black)0.0%
Color previews
#0a3bff text on a black background
contrast 3.08:1
Card sample
#0a3bff text on a white background
contrast 6.81:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0a3bff;
Background color
Panel with #0a3bff background
background-color: #0a3bff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0a3bff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(10, 59, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(10, 59, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0a3bff; background: linear-gradient(135deg, #0a3bff, #7C0AFF);