#333fdf
a balanced, vivid blue · warm · closest name: slateblue
RGB
51, 63, 223
HSL
236°, 73%, 54%
CMYK
77, 72, 0, 13
Luminance
0.0959
Every format
| HEX | #333fdf |
| RGB | rgb(51, 63, 223) |
| HSL | hsl(236, 73%, 54%) |
| CMYK | cmyk(77%, 72%, 0%, 13%) |
| LAB | lab(37.1 49.9 -81.7) |
| LCH | lch(37.1 95.7 301.4) |
| OKLCH | oklch(0.478 0.237 270.3) |
Copy-ready code
/* CSS */
color: #333fdf;
background-color: #333fdf;
/* Tailwind (arbitrary) */
class="text-[#333fdf] bg-[#333fdf]"
/* SCSS */
$brand: #333fdf;
/* SwiftUI */
Color(red: 0.200, green: 0.247, blue: 0.875)
/* Android */
Color.parseColor("#333fdf")Accessibility — WCAG contrast
Aa
#333fdf on white: 7.20:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#333fdf on black: 2.92:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green24.7%
Blue87.5%
CMYK percentages
Cyan77.1%
Magenta71.7%
Yellow0.0%
Key (black)12.5%
Color previews
#333fdf text on a black background
contrast 2.92:1
Card sample
#333fdf text on a white background
contrast 7.20:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #333fdf;
Background color
Panel with #333fdf background
background-color: #333fdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #333fdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 63, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 63, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #333fdf; background: linear-gradient(135deg, #333fdf, #9A33DF);