#3f39af
a balanced, vivid blue · warm · closest name: slateblue
RGB
63, 57, 175
HSL
243°, 51%, 46%
CMYK
64, 67, 0, 31
Luminance
0.0708
Every format
| HEX | #3f39af |
| RGB | rgb(63, 57, 175) |
| HSL | hsl(243, 51%, 46%) |
| CMYK | cmyk(64%, 67%, 0%, 31%) |
| LAB | lab(32.0 38.7 -62.1) |
| LCH | lch(32.0 73.1 301.9) |
| OKLCH | oklch(0.430 0.181 277.9) |
Copy-ready code
/* CSS */
color: #3f39af;
background-color: #3f39af;
/* Tailwind (arbitrary) */
class="text-[#3f39af] bg-[#3f39af]"
/* SCSS */
$brand: #3f39af;
/* SwiftUI */
Color(red: 0.247, green: 0.224, blue: 0.686)
/* Android */
Color.parseColor("#3f39af")Accessibility — WCAG contrast
Aa
#3f39af on white: 8.69:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3f39af on black: 2.42:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green22.4%
Blue68.6%
CMYK percentages
Cyan64.0%
Magenta67.4%
Yellow0.0%
Key (black)31.4%
Color previews
#3f39af text on a black background
contrast 2.42:1
Card sample
#3f39af text on a white background
contrast 8.69:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f39af;
Background color
Panel with #3f39af background
background-color: #3f39af;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f39af;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 57, 175, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 57, 175, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f39af; background: linear-gradient(135deg, #3f39af, #8E39AF);