#303abb
a balanced, vivid blue · warm · closest name: slateblue
RGB
48, 58, 187
HSL
236°, 59%, 46%
CMYK
74, 69, 0, 27
Luminance
0.0724
Every format
| HEX | #303abb |
| RGB | rgb(48, 58, 187) |
| HSL | hsl(236, 59%, 46%) |
| CMYK | cmyk(74%, 69%, 0%, 27%) |
| LAB | lab(32.4 40.3 -68.6) |
| LCH | lch(32.4 79.6 300.4) |
| OKLCH | oklch(0.433 0.199 271.4) |
Copy-ready code
/* CSS */
color: #303abb;
background-color: #303abb;
/* Tailwind (arbitrary) */
class="text-[#303abb] bg-[#303abb]"
/* SCSS */
$brand: #303abb;
/* SwiftUI */
Color(red: 0.188, green: 0.227, blue: 0.733)
/* Android */
Color.parseColor("#303abb")Accessibility — WCAG contrast
Aa
#303abb on white: 8.58:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#303abb on black: 2.45:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red18.8%
Green22.7%
Blue73.3%
CMYK percentages
Cyan74.3%
Magenta69.0%
Yellow0.0%
Key (black)26.7%
Color previews
#303abb text on a black background
contrast 2.45:1
Card sample
#303abb text on a white background
contrast 8.58:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #303abb;
Background color
Panel with #303abb background
background-color: #303abb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #303abb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(48, 58, 187, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(48, 58, 187, 0.45);
Border & gradient
Gradient panel
border: 3px solid #303abb; background: linear-gradient(135deg, #303abb, #8330BB);