#2137af
a dark, vivid blue · warm · closest name: slateblue
RGB
33, 55, 175
HSL
231°, 68%, 41%
CMYK
81, 69, 0, 31
Luminance
0.0615
Every format
| HEX | #2137af |
| RGB | rgb(33, 55, 175) |
| HSL | hsl(231, 68%, 41%) |
| CMYK | cmyk(81%, 69%, 0%, 31%) |
| LAB | lab(29.8 36.5 -65.7) |
| LCH | lch(29.8 75.2 299.1) |
| OKLCH | oklch(0.409 0.191 267.9) |
Copy-ready code
/* CSS */
color: #2137af;
background-color: #2137af;
/* Tailwind (arbitrary) */
class="text-[#2137af] bg-[#2137af]"
/* SCSS */
$brand: #2137af;
/* SwiftUI */
Color(red: 0.129, green: 0.216, blue: 0.686)
/* Android */
Color.parseColor("#2137af")Accessibility — WCAG contrast
Aa
#2137af on white: 9.42:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#2137af on black: 2.23:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red12.9%
Green21.6%
Blue68.6%
CMYK percentages
Cyan81.1%
Magenta68.6%
Yellow0.0%
Key (black)31.4%
Color previews
#2137af text on a black background
contrast 2.23:1
Card sample
#2137af text on a white background
contrast 9.42:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #2137af;
Background color
Panel with #2137af background
background-color: #2137af;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #2137af;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(33, 55, 175, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(33, 55, 175, 0.45);
Border & gradient
Gradient panel
border: 3px solid #2137af; background: linear-gradient(135deg, #2137af, #6A21AF);