#304ddf
a balanced, vivid blue · warm · closest name: slateblue
RGB
48, 77, 223
HSL
230°, 73%, 53%
CMYK
79, 66, 0, 13
Luminance
0.1126
Every format
| HEX | #304ddf |
| RGB | rgb(48, 77, 223) |
| HSL | hsl(230, 73%, 53%) |
| CMYK | cmyk(79%, 66%, 0%, 13%) |
| LAB | lab(40.0 41.3 -76.9) |
| LCH | lch(40.0 87.3 298.2) |
| OKLCH | oklch(0.499 0.223 268.0) |
Copy-ready code
/* CSS */
color: #304ddf;
background-color: #304ddf;
/* Tailwind (arbitrary) */
class="text-[#304ddf] bg-[#304ddf]"
/* SCSS */
$brand: #304ddf;
/* SwiftUI */
Color(red: 0.188, green: 0.302, blue: 0.875)
/* Android */
Color.parseColor("#304ddf")Accessibility — WCAG contrast
Aa
#304ddf on white: 6.46:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#304ddf on black: 3.25:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red18.8%
Green30.2%
Blue87.5%
CMYK percentages
Cyan78.5%
Magenta65.5%
Yellow0.0%
Key (black)12.5%
Color previews
#304ddf text on a black background
contrast 3.25:1
Card sample
#304ddf text on a white background
contrast 6.46:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #304ddf;
Background color
Panel with #304ddf background
background-color: #304ddf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #304ddf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(48, 77, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(48, 77, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #304ddf; background: linear-gradient(135deg, #304ddf, #8830DF);