#0a0551
a deep, electric blue · warm · closest name: midnightblue
RGB
10, 5, 81
HSL
244°, 88%, 17%
CMYK
88, 94, 0, 68
Luminance
0.0077
Every format
| HEX | #0a0551 |
| RGB | rgb(10, 5, 81) |
| HSL | hsl(244, 88%, 17%) |
| CMYK | cmyk(88%, 94%, 0%, 68%) |
| LAB | lab(6.9 31.0 -43.7) |
| LCH | lch(6.9 53.6 305.4) |
| OKLCH | oklch(0.211 0.127 270.9) |
Copy-ready code
/* CSS */
color: #0a0551;
background-color: #0a0551;
/* Tailwind (arbitrary) */
class="text-[#0a0551] bg-[#0a0551]"
/* SCSS */
$brand: #0a0551;
/* SwiftUI */
Color(red: 0.039, green: 0.020, blue: 0.318)
/* Android */
Color.parseColor("#0a0551")Accessibility — WCAG contrast
Aa
#0a0551 on white: 18.21:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#0a0551 on black: 1.15:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red3.9%
Green2.0%
Blue31.8%
CMYK percentages
Cyan87.7%
Magenta93.8%
Yellow0.0%
Key (black)68.2%
Color previews
#0a0551 text on a black background
contrast 1.15:1
Card sample
#0a0551 text on a white background
contrast 18.21:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0a0551;
Background color
Panel with #0a0551 background
background-color: #0a0551;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0a0551;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(10, 5, 81, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(10, 5, 81, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0a0551; background: linear-gradient(135deg, #0a0551, #3D0551);