#511fef
a balanced, electric blue · warm · closest name: blue
RGB
81, 31, 239
HSL
254°, 87%, 53%
CMYK
66, 87, 0, 6
Luminance
0.0896
Every format
| HEX | #511fef |
| RGB | rgb(81, 31, 239) |
| HSL | hsl(254, 87%, 53%) |
| CMYK | cmyk(66%, 87%, 0%, 6%) |
| LAB | lab(35.9 71.0 -92.7) |
| LCH | lch(35.9 116.8 307.4) |
| OKLCH | oklch(0.480 0.272 279.8) |
Copy-ready code
/* CSS */
color: #511fef;
background-color: #511fef;
/* Tailwind (arbitrary) */
class="text-[#511fef] bg-[#511fef]"
/* SCSS */
$brand: #511fef;
/* SwiftUI */
Color(red: 0.318, green: 0.122, blue: 0.937)
/* Android */
Color.parseColor("#511fef")Accessibility — WCAG contrast
Aa
#511fef on white: 7.52:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#511fef on black: 2.79:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red31.8%
Green12.2%
Blue93.7%
CMYK percentages
Cyan66.1%
Magenta87.0%
Yellow0.0%
Key (black)6.3%
Color previews
#511fef text on a black background
contrast 2.79:1
Card sample
#511fef text on a white background
contrast 7.52:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #511fef;
Background color
Panel with #511fef background
background-color: #511fef;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #511fef;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(81, 31, 239, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(81, 31, 239, 0.45);
Border & gradient
Gradient panel
border: 3px solid #511fef; background: linear-gradient(135deg, #511fef, #DC1FEF);