#300cd3
a dark, electric blue · warm · closest name: blue
RGB
48, 12, 211
HSL
251°, 89%, 44%
CMYK
77, 94, 0, 17
Luminance
0.0559
Every format
| HEX | #300cd3 |
| RGB | rgb(48, 12, 211) |
| HSL | hsl(251, 89%, 44%) |
| CMYK | cmyk(77%, 94%, 0%, 17%) |
| LAB | lab(28.4 67.1 -89.3) |
| LCH | lch(28.4 111.7 306.9) |
| OKLCH | oklch(0.413 0.258 272.7) |
Copy-ready code
/* CSS */
color: #300cd3;
background-color: #300cd3;
/* Tailwind (arbitrary) */
class="text-[#300cd3] bg-[#300cd3]"
/* SCSS */
$brand: #300cd3;
/* SwiftUI */
Color(red: 0.188, green: 0.047, blue: 0.827)
/* Android */
Color.parseColor("#300cd3")Accessibility — WCAG contrast
Aa
#300cd3 on white: 9.91:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#300cd3 on black: 2.12:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red18.8%
Green4.7%
Blue82.7%
CMYK percentages
Cyan77.3%
Magenta94.3%
Yellow0.0%
Key (black)17.3%
Color previews
#300cd3 text on a black background
contrast 2.12:1
Card sample
#300cd3 text on a white background
contrast 9.91:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #300cd3;
Background color
Panel with #300cd3 background
background-color: #300cd3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #300cd3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(48, 12, 211, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(48, 12, 211, 0.45);
Border & gradient
Gradient panel
border: 3px solid #300cd3; background: linear-gradient(135deg, #300cd3, #B50CD3);