#3917df
a balanced, electric blue · warm · closest name: blue
RGB
57, 23, 223
HSL
250°, 81%, 48%
CMYK
74, 90, 0, 13
Luminance
0.0681
Every format
| HEX | #3917df |
| RGB | rgb(57, 23, 223) |
| HSL | hsl(250, 81%, 48%) |
| CMYK | cmyk(74%, 90%, 0%, 13%) |
| LAB | lab(31.4 67.9 -91.2) |
| LCH | lch(31.4 113.7 306.7) |
| OKLCH | oklch(0.440 0.264 274.2) |
Copy-ready code
/* CSS */
color: #3917df;
background-color: #3917df;
/* Tailwind (arbitrary) */
class="text-[#3917df] bg-[#3917df]"
/* SCSS */
$brand: #3917df;
/* SwiftUI */
Color(red: 0.224, green: 0.090, blue: 0.875)
/* Android */
Color.parseColor("#3917df")Accessibility — WCAG contrast
Aa
#3917df on white: 8.89:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3917df on black: 2.36:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red22.4%
Green9.0%
Blue87.5%
CMYK percentages
Cyan74.4%
Magenta89.7%
Yellow0.0%
Key (black)12.5%
Color previews
#3917df text on a black background
contrast 2.36:1
Card sample
#3917df text on a white background
contrast 8.89:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3917df;
Background color
Panel with #3917df background
background-color: #3917df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3917df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(57, 23, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(57, 23, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3917df; background: linear-gradient(135deg, #3917df, #BE17DF);