#0f03df
a dark, electric blue · warm · closest name: blue
RGB
15, 3, 223
HSL
243°, 97%, 44%
CMYK
93, 99, 0, 13
Luminance
0.0549
Every format
| HEX | #0f03df |
| RGB | rgb(15, 3, 223) |
| HSL | hsl(243, 97%, 44%) |
| CMYK | cmyk(93%, 99%, 0%, 13%) |
| LAB | lab(28.1 71.1 -96.7) |
| LCH | lch(28.1 120.0 306.3) |
| OKLCH | oklch(0.412 0.280 265.5) |
Copy-ready code
/* CSS */
color: #0f03df;
background-color: #0f03df;
/* Tailwind (arbitrary) */
class="text-[#0f03df] bg-[#0f03df]"
/* SCSS */
$brand: #0f03df;
/* SwiftUI */
Color(red: 0.059, green: 0.012, blue: 0.875)
/* Android */
Color.parseColor("#0f03df")Accessibility — WCAG contrast
Aa
#0f03df on white: 10.01:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#0f03df on black: 2.10:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red5.9%
Green1.2%
Blue87.5%
CMYK percentages
Cyan93.3%
Magenta98.7%
Yellow0.0%
Key (black)12.5%
Color previews
#0f03df text on a black background
contrast 2.10:1
Card sample
#0f03df text on a white background
contrast 10.01:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0f03df;
Background color
Panel with #0f03df background
background-color: #0f03df;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0f03df;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(15, 3, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(15, 3, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0f03df; background: linear-gradient(135deg, #0f03df, #A203DF);