#304bdf
a balanced, vivid blue · warm · closest name: slateblue
RGB
48, 75, 223
HSL
231°, 73%, 53%
CMYK
79, 66, 0, 13
Luminance
0.1099
Every format
| HEX | #304bdf |
| RGB | rgb(48, 75, 223) |
| HSL | hsl(231, 73%, 53%) |
| CMYK | cmyk(79%, 66%, 0%, 13%) |
| LAB | lab(39.6 42.5 -77.7) |
| LCH | lch(39.6 88.5 298.7) |
| OKLCH | oklch(0.496 0.225 268.2) |
Copy-ready code
/* CSS */
color: #304bdf;
background-color: #304bdf;
/* Tailwind (arbitrary) */
class="text-[#304bdf] bg-[#304bdf]"
/* SCSS */
$brand: #304bdf;
/* SwiftUI */
Color(red: 0.188, green: 0.294, blue: 0.875)
/* Android */
Color.parseColor("#304bdf")Accessibility — WCAG contrast
Aa
#304bdf on white: 6.57:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#304bdf on black: 3.20:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red18.8%
Green29.4%
Blue87.5%
CMYK percentages
Cyan78.5%
Magenta66.4%
Yellow0.0%
Key (black)12.5%
Color previews
#304bdf text on a black background
contrast 3.20:1
Card sample
#304bdf text on a white background
contrast 6.57:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #304bdf;
Background color
Panel with #304bdf background
background-color: #304bdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #304bdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(48, 75, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(48, 75, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #304bdf; background: linear-gradient(135deg, #304bdf, #8930DF);