#033bc9
a dark, electric blue · cool · closest name: slateblue
RGB
3, 59, 201
HSL
223°, 97%, 40%
CMYK
99, 71, 0, 21
Luminance
0.0736
Every format
| HEX | #033bc9 |
| RGB | rgb(3, 59, 201) |
| HSL | hsl(223, 97%, 40%) |
| CMYK | cmyk(99%, 71%, 0%, 21%) |
| LAB | lab(32.6 42.2 -76.4) |
| LCH | lch(32.6 87.3 298.9) |
| OKLCH | oklch(0.436 0.223 263.4) |
Copy-ready code
/* CSS */
color: #033bc9;
background-color: #033bc9;
/* Tailwind (arbitrary) */
class="text-[#033bc9] bg-[#033bc9]"
/* SCSS */
$brand: #033bc9;
/* SwiftUI */
Color(red: 0.012, green: 0.231, blue: 0.788)
/* Android */
Color.parseColor("#033bc9")Accessibility — WCAG contrast
Aa
#033bc9 on white: 8.49:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#033bc9 on black: 2.47:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.2%
Green23.1%
Blue78.8%
CMYK percentages
Cyan98.5%
Magenta70.6%
Yellow0.0%
Key (black)21.2%
Color previews
#033bc9 text on a black background
contrast 2.47:1
Card sample
#033bc9 text on a white background
contrast 8.49:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #033bc9;
Background color
Panel with #033bc9 background
background-color: #033bc9;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #033bc9;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(3, 59, 201, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(3, 59, 201, 0.45);
Border & gradient
Gradient panel
border: 3px solid #033bc9; background: linear-gradient(135deg, #033bc9, #4F03C9);