#0309c5
a dark, electric blue · warm · closest name: blue
RGB
3, 9, 197
HSL
238°, 97%, 39%
CMYK
99, 95, 0, 23
Luminance
0.0425
Every format
| HEX | #0309c5 |
| RGB | rgb(3, 9, 197) |
| HSL | hsl(238, 97%, 39%) |
| CMYK | cmyk(99%, 95%, 0%, 23%) |
| LAB | lab(24.5 63.3 -87.7) |
| LCH | lch(24.5 108.1 305.8) |
| OKLCH | oklch(0.377 0.255 264.5) |
Copy-ready code
/* CSS */
color: #0309c5;
background-color: #0309c5;
/* Tailwind (arbitrary) */
class="text-[#0309c5] bg-[#0309c5]"
/* SCSS */
$brand: #0309c5;
/* SwiftUI */
Color(red: 0.012, green: 0.035, blue: 0.773)
/* Android */
Color.parseColor("#0309c5")Accessibility — WCAG contrast
Aa
#0309c5 on white: 11.36:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#0309c5 on black: 1.85:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.2%
Green3.5%
Blue77.3%
CMYK percentages
Cyan98.5%
Magenta95.4%
Yellow0.0%
Key (black)22.7%
Color previews
#0309c5 text on a black background
contrast 1.85:1
Card sample
#0309c5 text on a white background
contrast 11.36:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0309c5;
Background color
Panel with #0309c5 background
background-color: #0309c5;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0309c5;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(3, 9, 197, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(3, 9, 197, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0309c5; background: linear-gradient(135deg, #0309c5, #7E03C5);