#033fd4
a dark, electric blue · cool · closest name: slateblue
RGB
3, 63, 212
HSL
223°, 97%, 42%
CMYK
99, 70, 0, 17
Luminance
0.0833
Every format
| HEX | #033fd4 |
| RGB | rgb(3, 63, 212) |
| HSL | hsl(223, 97%, 42%) |
| CMYK | cmyk(99%, 70%, 0%, 17%) |
| LAB | lab(34.6 43.8 -79.5) |
| LCH | lch(34.6 90.7 298.9) |
| OKLCH | oklch(0.454 0.232 263.4) |
Copy-ready code
/* CSS */
color: #033fd4;
background-color: #033fd4;
/* Tailwind (arbitrary) */
class="text-[#033fd4] bg-[#033fd4]"
/* SCSS */
$brand: #033fd4;
/* SwiftUI */
Color(red: 0.012, green: 0.247, blue: 0.831)
/* Android */
Color.parseColor("#033fd4")Accessibility — WCAG contrast
Aa
#033fd4 on white: 7.88:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#033fd4 on black: 2.67:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.2%
Green24.7%
Blue83.1%
CMYK percentages
Cyan98.6%
Magenta70.3%
Yellow0.0%
Key (black)16.9%
Color previews
#033fd4 text on a black background
contrast 2.67:1
Card sample
#033fd4 text on a white background
contrast 7.88:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #033fd4;
Background color
Panel with #033fd4 background
background-color: #033fd4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #033fd4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(3, 63, 212, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(3, 63, 212, 0.45);
Border & gradient
Gradient panel
border: 3px solid #033fd4; background: linear-gradient(135deg, #033fd4, #5303D4);