#304cdf
a balanced, vivid blue · warm · closest name: slateblue
RGB
48, 76, 223
HSL
230°, 73%, 53%
CMYK
79, 66, 0, 13
Luminance
0.1112
Every format
| HEX | #304cdf |
| RGB | rgb(48, 76, 223) |
| HSL | hsl(230, 73%, 53%) |
| CMYK | cmyk(79%, 66%, 0%, 13%) |
| LAB | lab(39.8 41.9 -77.3) |
| LCH | lch(39.8 87.9 298.5) |
| OKLCH | oklch(0.498 0.224 268.1) |
Copy-ready code
/* CSS */
color: #304cdf;
background-color: #304cdf;
/* Tailwind (arbitrary) */
class="text-[#304cdf] bg-[#304cdf]"
/* SCSS */
$brand: #304cdf;
/* SwiftUI */
Color(red: 0.188, green: 0.298, blue: 0.875)
/* Android */
Color.parseColor("#304cdf")Accessibility — WCAG contrast
Aa
#304cdf on white: 6.51:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#304cdf on black: 3.22:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red18.8%
Green29.8%
Blue87.5%
CMYK percentages
Cyan78.5%
Magenta65.9%
Yellow0.0%
Key (black)12.5%
Color previews
#304cdf text on a black background
contrast 3.22:1
Card sample
#304cdf text on a white background
contrast 6.51:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #304cdf;
Background color
Panel with #304cdf background
background-color: #304cdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #304cdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(48, 76, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(48, 76, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #304cdf; background: linear-gradient(135deg, #304cdf, #8930DF);