#511def
a balanced, electric blue · warm · closest name: blue
RGB
81, 29, 239
HSL
255°, 87%, 53%
CMYK
66, 88, 0, 6
Luminance
0.0886
Every format
| HEX | #511def |
| RGB | rgb(81, 29, 239) |
| HSL | hsl(255, 87%, 53%) |
| CMYK | cmyk(66%, 88%, 0%, 6%) |
| LAB | lab(35.7 71.5 -93.0) |
| LCH | lch(35.7 117.4 307.6) |
| OKLCH | oklch(0.479 0.273 279.9) |
Copy-ready code
/* CSS */
color: #511def;
background-color: #511def;
/* Tailwind (arbitrary) */
class="text-[#511def] bg-[#511def]"
/* SCSS */
$brand: #511def;
/* SwiftUI */
Color(red: 0.318, green: 0.114, blue: 0.937)
/* Android */
Color.parseColor("#511def")Accessibility — WCAG contrast
Aa
#511def on white: 7.58:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#511def on black: 2.77:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green11.4%
Blue93.7%
CMYK percentages
Cyan66.1%
Magenta87.9%
Yellow0.0%
Key (black)6.3%
Color previews
#511def text on a black background
contrast 2.77:1
Card sample
#511def text on a white background
contrast 7.58:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #511def;
Background color
Panel with #511def background
background-color: #511def;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #511def;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 29, 239, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 29, 239, 0.45);
Border & gradient
Gradient panel
border: 3px solid #511def; background: linear-gradient(135deg, #511def, #DD1DEF);