#143db8
a dark, electric blue · warm · closest name: slateblue
RGB
20, 61, 184
HSL
225°, 80%, 40%
CMYK
89, 67, 0, 28
Luminance
0.0695
Every format
| HEX | #143db8 |
| RGB | rgb(20, 61, 184) |
| HSL | hsl(225, 80%, 40%) |
| CMYK | cmyk(89%, 67%, 0%, 28%) |
| LAB | lab(31.7 35.2 -68.0) |
| LCH | lch(31.7 76.6 297.4) |
| OKLCH | oklch(0.425 0.198 264.5) |
Copy-ready code
/* CSS */
color: #143db8;
background-color: #143db8;
/* Tailwind (arbitrary) */
class="text-[#143db8] bg-[#143db8]"
/* SCSS */
$brand: #143db8;
/* SwiftUI */
Color(red: 0.078, green: 0.239, blue: 0.722)
/* Android */
Color.parseColor("#143db8")Accessibility — WCAG contrast
Aa
#143db8 on white: 8.79:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#143db8 on black: 2.39:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red7.8%
Green23.9%
Blue72.2%
CMYK percentages
Cyan89.1%
Magenta66.8%
Yellow0.0%
Key (black)27.8%
Color previews
#143db8 text on a black background
contrast 2.39:1
Card sample
#143db8 text on a white background
contrast 8.79:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #143db8;
Background color
Panel with #143db8 background
background-color: #143db8;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #143db8;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(20, 61, 184, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(20, 61, 184, 0.45);
Border & gradient
Gradient panel
border: 3px solid #143db8; background: linear-gradient(135deg, #143db8, #5814B8);