#1155bb
a dark, electric blue · cool · closest name: royalblue
RGB
17, 85, 187
HSL
216°, 83%, 40%
CMYK
91, 55, 0, 27
Luminance
0.1020
Every format
| HEX | #1155bb |
| RGB | rgb(17, 85, 187) |
| HSL | hsl(216, 83%, 40%) |
| CMYK | cmyk(91%, 55%, 0%, 27%) |
| LAB | lab(38.2 20.3 -59.1) |
| LCH | lch(38.2 62.5 288.9) |
| OKLCH | oklch(0.474 0.174 259.5) |
Copy-ready code
/* CSS */
color: #1155bb;
background-color: #1155bb;
/* Tailwind (arbitrary) */
class="text-[#1155bb] bg-[#1155bb]"
/* SCSS */
$brand: #1155bb;
/* SwiftUI */
Color(red: 0.067, green: 0.333, blue: 0.733)
/* Android */
Color.parseColor("#1155bb")Accessibility — WCAG contrast
Aa
#1155bb on white: 6.91:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#1155bb on black: 3.04:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red6.7%
Green33.3%
Blue73.3%
CMYK percentages
Cyan90.9%
Magenta54.5%
Yellow0.0%
Key (black)26.7%
Color previews
#1155bb text on a black background
contrast 3.04:1
Card sample
#1155bb text on a white background
contrast 6.91:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1155bb;
Background color
Panel with #1155bb background
background-color: #1155bb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1155bb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(17, 85, 187, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(17, 85, 187, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1155bb; background: linear-gradient(135deg, #1155bb, #3E11BB);