#2181eb
a balanced, electric blue · cool · closest name: dodgerblue
RGB
33, 129, 235
HSL
212°, 84%, 53%
CMYK
86, 45, 0, 8
Luminance
0.2202
Every format
| HEX | #2181eb |
| RGB | rgb(33, 129, 235) |
| HSL | hsl(212, 84%, 53%) |
| CMYK | cmyk(86%, 45%, 0%, 8%) |
| LAB | lab(54.0 11.8 -60.9) |
| LCH | lch(54.0 62.0 280.9) |
| OKLCH | oklch(0.607 0.181 254.9) |
Copy-ready code
/* CSS */
color: #2181eb;
background-color: #2181eb;
/* Tailwind (arbitrary) */
class="text-[#2181eb] bg-[#2181eb]"
/* SCSS */
$brand: #2181eb;
/* SwiftUI */
Color(red: 0.129, green: 0.506, blue: 0.922)
/* Android */
Color.parseColor("#2181eb")Accessibility — WCAG contrast
Aa
#2181eb on white: 3.89:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#2181eb on black: 5.40:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green50.6%
Blue92.2%
CMYK percentages
Cyan86.0%
Magenta45.1%
Yellow0.0%
Key (black)7.8%
Color previews
#2181eb text on a black background
contrast 5.40:1
Card sample
#2181eb text on a white background
contrast 3.89:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #2181eb;
Background color
Panel with #2181eb background
background-color: #2181eb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #2181eb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 129, 235, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 129, 235, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2181eb; background: linear-gradient(135deg, #2181eb, #4821EB);