#0011bb
a dark, electric blue · warm · closest name: navy
RGB
0, 17, 187
HSL
235°, 100%, 37%
CMYK
100, 91, 0, 27
Luminance
0.0399
Every format
| HEX | #0011bb |
| RGB | rgb(0, 17, 187) |
| HSL | hsl(235, 100%, 37%) |
| CMYK | cmyk(100%, 91%, 0%, 27%) |
| LAB | lab(23.6 58.5 -83.1) |
| LCH | lch(23.6 101.6 305.1) |
| OKLCH | oklch(0.367 0.242 264.2) |
Copy-ready code
/* CSS */
color: #0011bb;
background-color: #0011bb;
/* Tailwind (arbitrary) */
class="text-[#0011bb] bg-[#0011bb]"
/* SCSS */
$brand: #0011bb;
/* SwiftUI */
Color(red: 0.000, green: 0.067, blue: 0.733)
/* Android */
Color.parseColor("#0011bb")Accessibility — WCAG contrast
Aa
#0011bb on white: 11.68:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#0011bb on black: 1.80:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red0.0%
Green6.7%
Blue73.3%
CMYK percentages
Cyan100.0%
Magenta90.9%
Yellow0.0%
Key (black)26.7%
Color previews
#0011bb text on a black background
contrast 1.80:1
Card sample
#0011bb text on a white background
contrast 11.68:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0011bb;
Background color
Panel with #0011bb background
background-color: #0011bb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0011bb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(0, 17, 187, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(0, 17, 187, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0011bb; background: linear-gradient(135deg, #0011bb, #6C00BB);