#033fd8
a dark, electric blue · cool · closest name: slateblue
RGB
3, 63, 216
HSL
223°, 97%, 43%
CMYK
99, 71, 0, 15
Luminance
0.0853
Every format
| HEX | #033fd8 |
| RGB | rgb(3, 63, 216) |
| HSL | hsl(223, 97%, 43%) |
| CMYK | cmyk(99%, 71%, 0%, 15%) |
| LAB | lab(35.1 45.2 -81.1) |
| LCH | lch(35.1 92.9 299.2) |
| OKLCH | oklch(0.458 0.237 263.5) |
Copy-ready code
/* CSS */
color: #033fd8;
background-color: #033fd8;
/* Tailwind (arbitrary) */
class="text-[#033fd8] bg-[#033fd8]"
/* SCSS */
$brand: #033fd8;
/* SwiftUI */
Color(red: 0.012, green: 0.247, blue: 0.847)
/* Android */
Color.parseColor("#033fd8")Accessibility — WCAG contrast
Aa
#033fd8 on white: 7.76:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#033fd8 on black: 2.71:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red1.2%
Green24.7%
Blue84.7%
CMYK percentages
Cyan98.6%
Magenta70.8%
Yellow0.0%
Key (black)15.3%
Color previews
#033fd8 text on a black background
contrast 2.71:1
Card sample
#033fd8 text on a white background
contrast 7.76:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #033fd8;
Background color
Panel with #033fd8 background
background-color: #033fd8;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #033fd8;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(3, 63, 216, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(3, 63, 216, 0.45);
Border & gradient
Gradient panel
border: 3px solid #033fd8; background: linear-gradient(135deg, #033fd8, #5503D8);