#0a28bf
a dark, electric blue · warm · closest name: navy
RGB
10, 40, 191
HSL
230°, 90%, 39%
CMYK
95, 79, 0, 25
Luminance
0.0534
Every format
| HEX | #0a28bf |
| RGB | rgb(10, 40, 191) |
| HSL | hsl(230, 90%, 39%) |
| CMYK | cmyk(95%, 79%, 0%, 25%) |
| LAB | lab(27.7 50.0 -78.7) |
| LCH | lch(27.7 93.3 302.4) |
| OKLCH | oklch(0.398 0.229 265.0) |
Copy-ready code
/* CSS */
color: #0a28bf;
background-color: #0a28bf;
/* Tailwind (arbitrary) */
class="text-[#0a28bf] bg-[#0a28bf]"
/* SCSS */
$brand: #0a28bf;
/* SwiftUI */
Color(red: 0.039, green: 0.157, blue: 0.749)
/* Android */
Color.parseColor("#0a28bf")Accessibility — WCAG contrast
Aa
#0a28bf on white: 10.15:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#0a28bf on black: 2.07:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red3.9%
Green15.7%
Blue74.9%
CMYK percentages
Cyan94.8%
Magenta79.1%
Yellow0.0%
Key (black)25.1%
Color previews
#0a28bf text on a black background
contrast 2.07:1
Card sample
#0a28bf text on a white background
contrast 10.15:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0a28bf;
Background color
Panel with #0a28bf background
background-color: #0a28bf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0a28bf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(10, 40, 191, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(10, 40, 191, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0a28bf; background: linear-gradient(135deg, #0a28bf, #650ABF);