#2181cd
a balanced, vivid blue · cool · closest name: steelblue
RGB
33, 129, 205
HSL
207°, 72%, 47%
CMYK
84, 37, 0, 20
Luminance
0.2043
Every format
| HEX | #2181cd |
| RGB | rgb(33, 129, 205) |
| HSL | hsl(207, 72%, 47%) |
| CMYK | cmyk(84%, 37%, 0%, 20%) |
| LAB | lab(52.3 0.4 -46.8) |
| LCH | lch(52.3 46.8 270.5) |
| OKLCH | oklch(0.588 0.144 248.0) |
Copy-ready code
/* CSS */
color: #2181cd;
background-color: #2181cd;
/* Tailwind (arbitrary) */
class="text-[#2181cd] bg-[#2181cd]"
/* SCSS */
$brand: #2181cd;
/* SwiftUI */
Color(red: 0.129, green: 0.506, blue: 0.804)
/* Android */
Color.parseColor("#2181cd")Accessibility — WCAG contrast
Aa
#2181cd on white: 4.13:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#2181cd on black: 5.09:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green50.6%
Blue80.4%
CMYK percentages
Cyan83.9%
Magenta37.1%
Yellow0.0%
Key (black)19.6%
Color previews
#2181cd text on a black background
contrast 5.09:1
Card sample
#2181cd text on a white background
contrast 4.13:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #2181cd;
Background color
Panel with #2181cd background
background-color: #2181cd;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #2181cd;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 129, 205, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 129, 205, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2181cd; background: linear-gradient(135deg, #2181cd, #3421CD);