#156cd3
a balanced, electric blue · cool · closest name: royalblue
RGB
21, 108, 211
HSL
213°, 82%, 46%
CMYK
90, 49, 0, 17
Luminance
0.1559
Every format
| HEX | #156cd3 |
| RGB | rgb(21, 108, 211) |
| HSL | hsl(213, 82%, 46%) |
| CMYK | cmyk(90%, 49%, 0%, 17%) |
| LAB | lab(46.4 15.0 -59.6) |
| LCH | lch(46.4 61.5 284.1) |
| OKLCH | oklch(0.543 0.177 256.5) |
Copy-ready code
/* CSS */
color: #156cd3;
background-color: #156cd3;
/* Tailwind (arbitrary) */
class="text-[#156cd3] bg-[#156cd3]"
/* SCSS */
$brand: #156cd3;
/* SwiftUI */
Color(red: 0.082, green: 0.424, blue: 0.827)
/* Android */
Color.parseColor("#156cd3")Accessibility — WCAG contrast
Aa
#156cd3 on white: 5.10:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#156cd3 on black: 4.12:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red8.2%
Green42.4%
Blue82.7%
CMYK percentages
Cyan90.0%
Magenta48.8%
Yellow0.0%
Key (black)17.3%
Color previews
#156cd3 text on a black background
contrast 4.12:1
Card sample
#156cd3 text on a white background
contrast 5.10:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #156cd3;
Background color
Panel with #156cd3 background
background-color: #156cd3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #156cd3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(21, 108, 211, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(21, 108, 211, 0.45);
Border & gradient
Gradient panel
border: 3px solid #156cd3; background: linear-gradient(135deg, #156cd3, #3D15D3);