#3300ff
a balanced, electric blue · warm · closest name: blue
RGB
51, 0, 255
HSL
252°, 100%, 50%
CMYK
80, 100, 0, 0
Luminance
0.0792
Every format
| HEX | #3300ff |
| RGB | rgb(51, 0, 255) |
| HSL | hsl(252, 100%, 50%) |
| CMYK | cmyk(80%, 100%, 0%, 0%) |
| LAB | lab(33.8 79.7 -105.3) |
| LCH | lch(33.8 132.1 307.1) |
| OKLCH | oklch(0.466 0.304 270.7) |
Copy-ready code
/* CSS */
color: #3300ff;
background-color: #3300ff;
/* Tailwind (arbitrary) */
class="text-[#3300ff] bg-[#3300ff]"
/* SCSS */
$brand: #3300ff;
/* SwiftUI */
Color(red: 0.200, green: 0.000, blue: 1.000)
/* Android */
Color.parseColor("#3300ff")Accessibility — WCAG contrast
Aa
#3300ff on white: 8.12:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3300ff on black: 2.58:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green0.0%
Blue100.0%
CMYK percentages
Cyan80.0%
Magenta100.0%
Yellow0.0%
Key (black)0.0%
Color previews
#3300ff text on a black background
contrast 2.58:1
Card sample
#3300ff text on a white background
contrast 8.12:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3300ff;
Background color
Panel with #3300ff background
background-color: #3300ff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3300ff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 0, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 0, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3300ff; background: linear-gradient(135deg, #3300ff, #DD00FF);