#303fdf
a balanced, vivid blue · warm · closest name: slateblue
RGB
48, 63, 223
HSL
235°, 73%, 53%
CMYK
79, 72, 0, 13
Luminance
0.0951
Every format
| HEX | #303fdf |
| RGB | rgb(48, 63, 223) |
| HSL | hsl(235, 73%, 53%) |
| CMYK | cmyk(79%, 72%, 0%, 13%) |
| LAB | lab(37.0 49.6 -82.0) |
| LCH | lch(37.0 95.8 301.2) |
| OKLCH | oklch(0.477 0.237 269.6) |
Copy-ready code
/* CSS */
color: #303fdf;
background-color: #303fdf;
/* Tailwind (arbitrary) */
class="text-[#303fdf] bg-[#303fdf]"
/* SCSS */
$brand: #303fdf;
/* SwiftUI */
Color(red: 0.188, green: 0.247, blue: 0.875)
/* Android */
Color.parseColor("#303fdf")Accessibility — WCAG contrast
Aa
#303fdf on white: 7.24:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#303fdf on black: 2.90:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red18.8%
Green24.7%
Blue87.5%
CMYK percentages
Cyan78.5%
Magenta71.7%
Yellow0.0%
Key (black)12.5%
Color previews
#303fdf text on a black background
contrast 2.90:1
Card sample
#303fdf text on a white background
contrast 7.24:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #303fdf;
Background color
Panel with #303fdf background
background-color: #303fdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #303fdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(48, 63, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(48, 63, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #303fdf; background: linear-gradient(135deg, #303fdf, #9630DF);