#133df3
a balanced, electric blue · warm · closest name: blue
RGB
19, 61, 243
HSL
229°, 90%, 51%
CMYK
92, 75, 0, 5
Luminance
0.0995
Every format
| HEX | #133df3 |
| RGB | rgb(19, 61, 243) |
| HSL | hsl(229, 90%, 51%) |
| CMYK | cmyk(92%, 75%, 0%, 5%) |
| LAB | lab(37.7 56.1 -92.0) |
| LCH | lch(37.7 107.8 301.3) |
| OKLCH | oklch(0.486 0.268 265.0) |
Copy-ready code
/* CSS */
color: #133df3;
background-color: #133df3;
/* Tailwind (arbitrary) */
class="text-[#133df3] bg-[#133df3]"
/* SCSS */
$brand: #133df3;
/* SwiftUI */
Color(red: 0.075, green: 0.239, blue: 0.953)
/* Android */
Color.parseColor("#133df3")Accessibility — WCAG contrast
Aa
#133df3 on white: 7.02:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#133df3 on black: 2.99:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red7.5%
Green23.9%
Blue95.3%
CMYK percentages
Cyan92.2%
Magenta74.9%
Yellow0.0%
Key (black)4.7%
Color previews
#133df3 text on a black background
contrast 2.99:1
Card sample
#133df3 text on a white background
contrast 7.02:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #133df3;
Background color
Panel with #133df3 background
background-color: #133df3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #133df3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(19, 61, 243, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(19, 61, 243, 0.45);
Border & gradient
Gradient panel
border: 3px solid #133df3; background: linear-gradient(135deg, #133df3, #7F13F3);