#1c3bbc
a dark, vivid blue · warm · closest name: slateblue
RGB
28, 59, 188
HSL
228°, 74%, 42%
CMYK
85, 69, 0, 26
Luminance
0.0701
Every format
| HEX | #1c3bbc |
| RGB | rgb(28, 59, 188) |
| HSL | hsl(228, 74%, 42%) |
| CMYK | cmyk(85%, 69%, 0%, 26%) |
| LAB | lab(31.8 38.4 -70.1) |
| LCH | lch(31.8 80.0 298.7) |
| OKLCH | oklch(0.427 0.204 266.2) |
Copy-ready code
/* CSS */
color: #1c3bbc;
background-color: #1c3bbc;
/* Tailwind (arbitrary) */
class="text-[#1c3bbc] bg-[#1c3bbc]"
/* SCSS */
$brand: #1c3bbc;
/* SwiftUI */
Color(red: 0.110, green: 0.231, blue: 0.737)
/* Android */
Color.parseColor("#1c3bbc")Accessibility — WCAG contrast
Aa
#1c3bbc on white: 8.75:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#1c3bbc on black: 2.40:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red11.0%
Green23.1%
Blue73.7%
CMYK percentages
Cyan85.1%
Magenta68.6%
Yellow0.0%
Key (black)26.3%
Color previews
#1c3bbc text on a black background
contrast 2.40:1
Card sample
#1c3bbc text on a white background
contrast 8.75:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1c3bbc;
Background color
Panel with #1c3bbc background
background-color: #1c3bbc;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1c3bbc;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(28, 59, 188, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(28, 59, 188, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1c3bbc; background: linear-gradient(135deg, #1c3bbc, #681CBC);