#3555ff
a balanced, electric blue · warm · closest name: royalblue
RGB
53, 85, 255
HSL
231°, 100%, 60%
CMYK
79, 67, 0, 0
Luminance
0.1447
Every format
| HEX | #3555ff |
| RGB | rgb(53, 85, 255) |
| HSL | hsl(231, 100%, 60%) |
| CMYK | cmyk(79%, 67%, 0%, 0%) |
| LAB | lab(44.9 48.0 -86.9) |
| LCH | lch(44.9 99.3 298.9) |
| OKLCH | oklch(0.544 0.252 267.8) |
Copy-ready code
/* CSS */
color: #3555ff;
background-color: #3555ff;
/* Tailwind (arbitrary) */
class="text-[#3555ff] bg-[#3555ff]"
/* SCSS */
$brand: #3555ff;
/* SwiftUI */
Color(red: 0.208, green: 0.333, blue: 1.000)
/* Android */
Color.parseColor("#3555ff")Accessibility — WCAG contrast
Aa
#3555ff on white: 5.39:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#3555ff on black: 3.89:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.8%
Green33.3%
Blue100.0%
CMYK percentages
Cyan79.2%
Magenta66.7%
Yellow0.0%
Key (black)0.0%
Color previews
#3555ff text on a black background
contrast 3.89:1
Card sample
#3555ff text on a white background
contrast 5.39:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #3555ff;
Background color
Panel with #3555ff background
background-color: #3555ff;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #3555ff;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(53, 85, 255, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(53, 85, 255, 0.45);
Border & gradient
Gradient panel
border: 3px solid #3555ff; background: linear-gradient(135deg, #3555ff, #9C35FF);