#3545ef
a balanced, electric blue · warm · closest name: slateblue
RGB
53, 69, 239
HSL
235°, 85%, 57%
CMYK
78, 71, 0, 6
Luminance
0.1125
Every format
| HEX | #3545ef |
| RGB | rgb(53, 69, 239) |
| HSL | hsl(235, 85%, 57%) |
| CMYK | cmyk(78%, 71%, 0%, 6%) |
| LAB | lab(40.0 51.9 -86.0) |
| LCH | lch(40.0 100.5 301.1) |
| OKLCH | oklch(0.504 0.249 269.7) |
Copy-ready code
/* CSS */
color: #3545ef;
background-color: #3545ef;
/* Tailwind (arbitrary) */
class="text-[#3545ef] bg-[#3545ef]"
/* SCSS */
$brand: #3545ef;
/* SwiftUI */
Color(red: 0.208, green: 0.271, blue: 0.937)
/* Android */
Color.parseColor("#3545ef")Accessibility — WCAG contrast
Aa
#3545ef on white: 6.46:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3545ef on black: 3.25:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.8%
Green27.1%
Blue93.7%
CMYK percentages
Cyan77.8%
Magenta71.1%
Yellow0.0%
Key (black)6.3%
Color previews
#3545ef text on a black background
contrast 3.25:1
Card sample
#3545ef text on a white background
contrast 6.46:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3545ef;
Background color
Panel with #3545ef background
background-color: #3545ef;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3545ef;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(53, 69, 239, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(53, 69, 239, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3545ef; background: linear-gradient(135deg, #3545ef, #A135EF);