#0f42df
a balanced, electric blue · warm · closest name: slateblue
RGB
15, 66, 223
HSL
225°, 87%, 47%
CMYK
93, 70, 0, 13
Luminance
0.0933
Every format
| HEX | #0f42df |
| RGB | rgb(15, 66, 223) |
| HSL | hsl(225, 87%, 47%) |
| CMYK | cmyk(93%, 70%, 0%, 13%) |
| LAB | lab(36.6 46.2 -82.6) |
| LCH | lch(36.6 94.6 299.2) |
| OKLCH | oklch(0.472 0.241 264.2) |
Copy-ready code
/* CSS */
color: #0f42df;
background-color: #0f42df;
/* Tailwind (arbitrary) */
class="text-[#0f42df] bg-[#0f42df]"
/* SCSS */
$brand: #0f42df;
/* SwiftUI */
Color(red: 0.059, green: 0.259, blue: 0.875)
/* Android */
Color.parseColor("#0f42df")Accessibility — WCAG contrast
Aa
#0f42df on white: 7.33:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#0f42df on black: 2.87:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red5.9%
Green25.9%
Blue87.5%
CMYK percentages
Cyan93.3%
Magenta70.4%
Yellow0.0%
Key (black)12.5%
Color previews
#0f42df text on a black background
contrast 2.87:1
Card sample
#0f42df text on a white background
contrast 7.33:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0f42df;
Background color
Panel with #0f42df background
background-color: #0f42df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0f42df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(15, 66, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(15, 66, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0f42df; background: linear-gradient(135deg, #0f42df, #670FDF);