#0f3daf
a dark, electric blue · cool · closest name: slateblue
RGB
15, 61, 175
HSL
223°, 84%, 37%
CMYK
91, 65, 0, 31
Luminance
0.0653
Every format
| HEX | #0f3daf |
| RGB | rgb(15, 61, 175) |
| HSL | hsl(223, 84%, 37%) |
| CMYK | cmyk(91%, 65%, 0%, 31%) |
| LAB | lab(30.7 31.5 -64.2) |
| LCH | lch(30.7 71.5 296.1) |
| OKLCH | oklch(0.415 0.187 263.5) |
Copy-ready code
/* CSS */
color: #0f3daf;
background-color: #0f3daf;
/* Tailwind (arbitrary) */
class="text-[#0f3daf] bg-[#0f3daf]"
/* SCSS */
$brand: #0f3daf;
/* SwiftUI */
Color(red: 0.059, green: 0.239, blue: 0.686)
/* Android */
Color.parseColor("#0f3daf")Accessibility — WCAG contrast
Aa
#0f3daf on white: 9.10:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#0f3daf on black: 2.31:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red5.9%
Green23.9%
Blue68.6%
CMYK percentages
Cyan91.4%
Magenta65.1%
Yellow0.0%
Key (black)31.4%
Color previews
#0f3daf text on a black background
contrast 2.31:1
Card sample
#0f3daf text on a white background
contrast 9.10:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #0f3daf;
Background color
Panel with #0f3daf background
background-color: #0f3daf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #0f3daf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(15, 61, 175, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(15, 61, 175, 0.45);
Border & gradient
Gradient panel
border: 3px solid #0f3daf; background: linear-gradient(135deg, #0f3daf, #4C0FAF);