#306ddf
a balanced, vivid blue · cool · closest name: royalblue
RGB
48, 109, 223
HSL
219°, 73%, 53%
CMYK
79, 51, 0, 13
Luminance
0.1689
Every format
| HEX | #306ddf |
| RGB | rgb(48, 109, 223) |
| HSL | hsl(219, 73%, 53%) |
| CMYK | cmyk(79%, 51%, 0%, 13%) |
| LAB | lab(48.1 21.0 -63.7) |
| LCH | lch(48.1 67.1 288.3) |
| OKLCH | oklch(0.560 0.185 261.5) |
Copy-ready code
/* CSS */
color: #306ddf;
background-color: #306ddf;
/* Tailwind (arbitrary) */
class="text-[#306ddf] bg-[#306ddf]"
/* SCSS */
$brand: #306ddf;
/* SwiftUI */
Color(red: 0.188, green: 0.427, blue: 0.875)
/* Android */
Color.parseColor("#306ddf")Accessibility — WCAG contrast
Aa
#306ddf on white: 4.80:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#306ddf on black: 4.38:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red18.8%
Green42.7%
Blue87.5%
CMYK percentages
Cyan78.5%
Magenta51.1%
Yellow0.0%
Key (black)12.5%
Color previews
#306ddf text on a black background
contrast 4.38:1
Card sample
#306ddf text on a white background
contrast 4.80:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #306ddf;
Background color
Panel with #306ddf background
background-color: #306ddf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #306ddf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(48, 109, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(48, 109, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #306ddf; background: linear-gradient(135deg, #306ddf, #6830DF);