#0a5abc
a dark, electric blue · cool · closest name: royalblue
RGB
10, 90, 188
HSL
213°, 90%, 39%
CMYK
95, 52, 0, 26
Luminance
0.1101
Every format
| HEX | #0a5abc |
| RGB | rgb(10, 90, 188) |
| HSL | hsl(213, 90%, 39%) |
| CMYK | cmyk(95%, 52%, 0%, 26%) |
| LAB | lab(39.6 17.0 -57.4) |
| LCH | lch(39.6 59.9 286.5) |
| OKLCH | oklch(0.485 0.170 257.6) |
Copy-ready code
/* CSS */
color: #0a5abc;
background-color: #0a5abc;
/* Tailwind (arbitrary) */
class="text-[#0a5abc] bg-[#0a5abc]"
/* SCSS */
$brand: #0a5abc;
/* SwiftUI */
Color(red: 0.039, green: 0.353, blue: 0.737)
/* Android */
Color.parseColor("#0a5abc")Accessibility — WCAG contrast
Aa
#0a5abc on white: 6.56:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#0a5abc on black: 3.20:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red3.9%
Green35.3%
Blue73.7%
CMYK percentages
Cyan94.7%
Magenta52.1%
Yellow0.0%
Key (black)26.3%
Color previews
#0a5abc text on a black background
contrast 3.20:1
Card sample
#0a5abc text on a white background
contrast 6.56:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0a5abc;
Background color
Panel with #0a5abc background
background-color: #0a5abc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0a5abc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(10, 90, 188, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(10, 90, 188, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0a5abc; background: linear-gradient(135deg, #0a5abc, #310ABC);