#3333bb
a balanced, vivid blue · warm · closest name: navy
RGB
51, 51, 187
HSL
240°, 57%, 47%
CMYK
73, 73, 0, 27
Luminance
0.0666
Every format
| HEX | #3333bb |
| RGB | rgb(51, 51, 187) |
| HSL | hsl(240, 57%, 47%) |
| CMYK | cmyk(73%, 73%, 0%, 27%) |
| LAB | lab(31.0 44.8 -70.8) |
| LCH | lch(31.0 83.8 302.3) |
| OKLCH | oklch(0.424 0.205 273.3) |
Copy-ready code
/* CSS */
color: #3333bb;
background-color: #3333bb;
/* Tailwind (arbitrary) */
class="text-[#3333bb] bg-[#3333bb]"
/* SCSS */
$brand: #3333bb;
/* SwiftUI */
Color(red: 0.200, green: 0.200, blue: 0.733)
/* Android */
Color.parseColor("#3333bb")Accessibility — WCAG contrast
Aa
#3333bb on white: 9.01:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#3333bb on black: 2.33:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.0%
Green20.0%
Blue73.3%
CMYK percentages
Cyan72.7%
Magenta72.7%
Yellow0.0%
Key (black)26.7%
Color previews
#3333bb text on a black background
contrast 2.33:1
Card sample
#3333bb text on a white background
contrast 9.01:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3333bb;
Background color
Panel with #3333bb background
background-color: #3333bb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3333bb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(51, 51, 187, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(51, 51, 187, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3333bb; background: linear-gradient(135deg, #3333bb, #8E33BB);