#1c55ff
a balanced, electric blue · cool · closest name: royalblue
RGB
28, 85, 255
HSL
225°, 100%, 56%
CMYK
89, 67, 0, 0
Luminance
0.1396
Every format
| HEX | #1c55ff |
| RGB | rgb(28, 85, 255) |
| HSL | hsl(225, 100%, 56%) |
| CMYK | cmyk(89%, 67%, 0%, 0%) |
| LAB | lab(44.2 46.5 -88.1) |
| LCH | lch(44.2 99.7 297.8) |
| OKLCH | oklch(0.537 0.257 264.4) |
Copy-ready code
/* CSS */
color: #1c55ff;
background-color: #1c55ff;
/* Tailwind (arbitrary) */
class="text-[#1c55ff] bg-[#1c55ff]"
/* SCSS */
$brand: #1c55ff;
/* SwiftUI */
Color(red: 0.110, green: 0.333, blue: 1.000)
/* Android */
Color.parseColor("#1c55ff")Accessibility — WCAG contrast
Aa
#1c55ff on white: 5.54:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#1c55ff on black: 3.79:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red11.0%
Green33.3%
Blue100.0%
CMYK percentages
Cyan89.0%
Magenta66.7%
Yellow0.0%
Key (black)0.0%
Color previews
#1c55ff text on a black background
contrast 3.79:1
Card sample
#1c55ff text on a white background
contrast 5.54:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #1c55ff;
Background color
Panel with #1c55ff background
background-color: #1c55ff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #1c55ff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(28, 85, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(28, 85, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #1c55ff; background: linear-gradient(135deg, #1c55ff, #7A1CFF);