#2173eb
a balanced, electric blue · cool · closest name: royalblue
RGB
33, 115, 235
HSL
216°, 84%, 53%
CMYK
86, 51, 0, 8
Luminance
0.1858
Every format
| HEX | #2173eb |
| RGB | rgb(33, 115, 235) |
| HSL | hsl(216, 84%, 53%) |
| CMYK | cmyk(86%, 51%, 0%, 8%) |
| LAB | lab(50.2 20.5 -67.1) |
| LCH | lch(50.2 70.2 287.0) |
| OKLCH | oklch(0.577 0.197 258.9) |
Copy-ready code
/* CSS */
color: #2173eb;
background-color: #2173eb;
/* Tailwind (arbitrary) */
class="text-[#2173eb] bg-[#2173eb]"
/* SCSS */
$brand: #2173eb;
/* SwiftUI */
Color(red: 0.129, green: 0.451, blue: 0.922)
/* Android */
Color.parseColor("#2173eb")Accessibility — WCAG contrast
Aa
#2173eb on white: 4.45:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#2173eb on black: 4.72:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green45.1%
Blue92.2%
CMYK percentages
Cyan86.0%
Magenta51.1%
Yellow0.0%
Key (black)7.8%
Color previews
#2173eb text on a black background
contrast 4.72:1
Card sample
#2173eb text on a white background
contrast 4.45:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #2173eb;
Background color
Panel with #2173eb background
background-color: #2173eb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #2173eb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 115, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 115, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2173eb; background: linear-gradient(135deg, #2173eb, #5521EB);