#0f3fef
a balanced, electric blue · warm · closest name: blue
RGB
15, 63, 239
HSL
227°, 88%, 50%
CMYK
94, 74, 0, 6
Luminance
0.0989
Every format
| HEX | #0f3fef |
| RGB | rgb(15, 63, 239) |
| HSL | hsl(227, 88%, 50%) |
| CMYK | cmyk(94%, 74%, 0%, 6%) |
| LAB | lab(37.6 53.5 -90.0) |
| LCH | lch(37.6 104.7 300.8) |
| OKLCH | oklch(0.484 0.262 264.6) |
Copy-ready code
/* CSS */
color: #0f3fef;
background-color: #0f3fef;
/* Tailwind (arbitrary) */
class="text-[#0f3fef] bg-[#0f3fef]"
/* SCSS */
$brand: #0f3fef;
/* SwiftUI */
Color(red: 0.059, green: 0.247, blue: 0.937)
/* Android */
Color.parseColor("#0f3fef")Accessibility — WCAG contrast
Aa
#0f3fef on white: 7.05:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#0f3fef on black: 2.98:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red5.9%
Green24.7%
Blue93.7%
CMYK percentages
Cyan93.7%
Magenta73.6%
Yellow0.0%
Key (black)6.3%
Color previews
#0f3fef text on a black background
contrast 2.98:1
Card sample
#0f3fef text on a white background
contrast 7.05:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0f3fef;
Background color
Panel with #0f3fef background
background-color: #0f3fef;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0f3fef;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(15, 63, 239, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(15, 63, 239, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0f3fef; background: linear-gradient(135deg, #0f3fef, #740FEF);