#3f38af
a balanced, vivid blue · warm · closest name: slateblue
RGB
63, 56, 175
HSL
244°, 52%, 45%
CMYK
64, 68, 0, 31
Luminance
0.0698
Every format
| HEX | #3f38af |
| RGB | rgb(63, 56, 175) |
| HSL | hsl(244, 52%, 45%) |
| CMYK | cmyk(64%, 68%, 0%, 31%) |
| LAB | lab(31.8 39.3 -62.4) |
| LCH | lch(31.8 73.8 302.2) |
| OKLCH | oklch(0.428 0.182 278.0) |
Copy-ready code
/* CSS */
color: #3f38af;
background-color: #3f38af;
/* Tailwind (arbitrary) */
class="text-[#3f38af] bg-[#3f38af]"
/* SCSS */
$brand: #3f38af;
/* SwiftUI */
Color(red: 0.247, green: 0.220, blue: 0.686)
/* Android */
Color.parseColor("#3f38af")Accessibility — WCAG contrast
Aa
#3f38af on white: 8.76:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3f38af on black: 2.40:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red24.7%
Green22.0%
Blue68.6%
CMYK percentages
Cyan64.0%
Magenta68.0%
Yellow0.0%
Key (black)31.4%
Color previews
#3f38af text on a black background
contrast 2.40:1
Card sample
#3f38af text on a white background
contrast 8.76:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3f38af;
Background color
Panel with #3f38af background
background-color: #3f38af;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3f38af;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(63, 56, 175, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(63, 56, 175, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3f38af; background: linear-gradient(135deg, #3f38af, #8E38AF);