#281fef
a balanced, electric blue · warm · closest name: blue
RGB
40, 31, 239
HSL
243°, 87%, 53%
CMYK
83, 87, 0, 6
Luminance
0.0766
Every format
| HEX | #281fef |
| RGB | rgb(40, 31, 239) |
| HSL | hsl(243, 87%, 53%) |
| CMYK | cmyk(83%, 87%, 0%, 6%) |
| LAB | lab(33.3 69.0 -97.2) |
| LCH | lch(33.3 119.2 305.4) |
| OKLCH | oklch(0.456 0.281 268.8) |
Copy-ready code
/* CSS */
color: #281fef;
background-color: #281fef;
/* Tailwind (arbitrary) */
class="text-[#281fef] bg-[#281fef]"
/* SCSS */
$brand: #281fef;
/* SwiftUI */
Color(red: 0.157, green: 0.122, blue: 0.937)
/* Android */
Color.parseColor("#281fef")Accessibility — WCAG contrast
Aa
#281fef on white: 8.29:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#281fef on black: 2.53:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red15.7%
Green12.2%
Blue93.7%
CMYK percentages
Cyan83.3%
Magenta87.0%
Yellow0.0%
Key (black)6.3%
Color previews
#281fef text on a black background
contrast 2.53:1
Card sample
#281fef text on a white background
contrast 8.29:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #281fef;
Background color
Panel with #281fef background
background-color: #281fef;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #281fef;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(40, 31, 239, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(40, 31, 239, 0.45);
Border & gradient
Gradient panel
border: 3px solid #281fef; background: linear-gradient(135deg, #281fef, #B31FEF);