#2139b8
a dark, vivid blue · warm · closest name: slateblue
RGB
33, 57, 184
HSL
231°, 70%, 43%
CMYK
82, 69, 0, 28
Luminance
0.0671
Every format
| HEX | #2139b8 |
| RGB | rgb(33, 57, 184) |
| HSL | hsl(231, 70%, 43%) |
| CMYK | cmyk(82%, 69%, 0%, 28%) |
| LAB | lab(31.1 38.5 -68.9) |
| LCH | lch(31.1 78.9 299.2) |
| OKLCH | oklch(0.422 0.200 267.6) |
Copy-ready code
/* CSS */
color: #2139b8;
background-color: #2139b8;
/* Tailwind (arbitrary) */
class="text-[#2139b8] bg-[#2139b8]"
/* SCSS */
$brand: #2139b8;
/* SwiftUI */
Color(red: 0.129, green: 0.224, blue: 0.722)
/* Android */
Color.parseColor("#2139b8")Accessibility — WCAG contrast
Aa
#2139b8 on white: 8.97:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#2139b8 on black: 2.34:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green22.4%
Blue72.2%
CMYK percentages
Cyan82.1%
Magenta69.0%
Yellow0.0%
Key (black)27.8%
Color previews
#2139b8 text on a black background
contrast 2.34:1
Card sample
#2139b8 text on a white background
contrast 8.97:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #2139b8;
Background color
Panel with #2139b8 background
background-color: #2139b8;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #2139b8;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 57, 184, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 57, 184, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2139b8; background: linear-gradient(135deg, #2139b8, #6E21B8);