#355ddf
a balanced, vivid blue · warm · closest name: royalblue
RGB
53, 93, 223
HSL
226°, 73%, 54%
CMYK
76, 58, 0, 13
Luminance
0.1391
Every format
| HEX | #355ddf |
| RGB | rgb(53, 93, 223) |
| HSL | hsl(226, 73%, 54%) |
| CMYK | cmyk(76%, 58%, 0%, 13%) |
| LAB | lab(44.1 31.7 -70.2) |
| LCH | lch(44.1 77.0 294.3) |
| OKLCH | oklch(0.530 0.203 266.3) |
Copy-ready code
/* CSS */
color: #355ddf;
background-color: #355ddf;
/* Tailwind (arbitrary) */
class="text-[#355ddf] bg-[#355ddf]"
/* SCSS */
$brand: #355ddf;
/* SwiftUI */
Color(red: 0.208, green: 0.365, blue: 0.875)
/* Android */
Color.parseColor("#355ddf")Accessibility — WCAG contrast
Aa
#355ddf on white: 5.55:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#355ddf on black: 3.78:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.8%
Green36.5%
Blue87.5%
CMYK percentages
Cyan76.2%
Magenta58.3%
Yellow0.0%
Key (black)12.5%
Color previews
#355ddf text on a black background
contrast 3.78:1
Card sample
#355ddf text on a white background
contrast 5.55:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #355ddf;
Background color
Panel with #355ddf background
background-color: #355ddf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #355ddf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(53, 93, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(53, 93, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #355ddf; background: linear-gradient(135deg, #355ddf, #7E35DF);