#333cd3
a balanced, vivid blue · warm · closest name: slateblue
RGB
51, 60, 211
HSL
237°, 65%, 51%
CMYK
76, 72, 0, 17
Luminance
0.0864
Every format
| HEX | #333cd3 |
| RGB | rgb(51, 60, 211) |
| HSL | hsl(237, 65%, 51%) |
| CMYK | cmyk(76%, 72%, 0%, 17%) |
| LAB | lab(35.3 47.6 -77.8) |
| LCH | lch(35.3 91.2 301.4) |
| OKLCH | oklch(0.462 0.225 271.0) |
Copy-ready code
/* CSS */
color: #333cd3;
background-color: #333cd3;
/* Tailwind (arbitrary) */
class="text-[#333cd3] bg-[#333cd3]"
/* SCSS */
$brand: #333cd3;
/* SwiftUI */
Color(red: 0.200, green: 0.235, blue: 0.827)
/* Android */
Color.parseColor("#333cd3")Accessibility — WCAG contrast
Aa
#333cd3 on white: 7.70:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#333cd3 on black: 2.73:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green23.5%
Blue82.7%
CMYK percentages
Cyan75.8%
Magenta71.6%
Yellow0.0%
Key (black)17.3%
Color previews
#333cd3 text on a black background
contrast 2.73:1
Card sample
#333cd3 text on a white background
contrast 7.70:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #333cd3;
Background color
Panel with #333cd3 background
background-color: #333cd3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #333cd3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 60, 211, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 60, 211, 0.45);
Border & gradient
Gradient panel
border: 3px solid #333cd3; background: linear-gradient(135deg, #333cd3, #9533D3);