#304eee
a balanced, electric blue · warm · closest name: royalblue
RGB
48, 78, 238
HSL
231°, 85%, 56%
CMYK
80, 67, 0, 7
Luminance
0.1225
Every format
| HEX | #304eee |
| RGB | rgb(48, 78, 238) |
| HSL | hsl(231, 85%, 56%) |
| CMYK | cmyk(80%, 67%, 0%, 7%) |
| LAB | lab(41.6 45.9 -82.8) |
| LCH | lch(41.6 94.7 299.0) |
| OKLCH | oklch(0.515 0.240 267.8) |
Copy-ready code
/* CSS */
color: #304eee;
background-color: #304eee;
/* Tailwind (arbitrary) */
class="text-[#304eee] bg-[#304eee]"
/* SCSS */
$brand: #304eee;
/* SwiftUI */
Color(red: 0.188, green: 0.306, blue: 0.933)
/* Android */
Color.parseColor("#304eee")Accessibility — WCAG contrast
Aa
#304eee on white: 6.09:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#304eee on black: 3.45:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red18.8%
Green30.6%
Blue93.3%
CMYK percentages
Cyan79.8%
Magenta67.2%
Yellow0.0%
Key (black)6.7%
Color previews
#304eee text on a black background
contrast 3.45:1
Card sample
#304eee text on a white background
contrast 6.09:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #304eee;
Background color
Panel with #304eee background
background-color: #304eee;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #304eee;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(48, 78, 238, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(48, 78, 238, 0.45);
Border & gradient
Gradient panel
border: 3px solid #304eee; background: linear-gradient(135deg, #304eee, #9130EE);