#356cdf
a balanced, vivid blue · cool · closest name: royalblue
RGB
53, 108, 223
HSL
221°, 73%, 54%
CMYK
76, 52, 0, 13
Luminance
0.1681
Every format
| HEX | #356cdf |
| RGB | rgb(53, 108, 223) |
| HSL | hsl(221, 73%, 54%) |
| CMYK | cmyk(76%, 52%, 0%, 13%) |
| LAB | lab(48.0 22.2 -63.9) |
| LCH | lch(48.0 67.6 289.2) |
| OKLCH | oklch(0.559 0.185 262.7) |
Copy-ready code
/* CSS */
color: #356cdf;
background-color: #356cdf;
/* Tailwind (arbitrary) */
class="text-[#356cdf] bg-[#356cdf]"
/* SCSS */
$brand: #356cdf;
/* SwiftUI */
Color(red: 0.208, green: 0.424, blue: 0.875)
/* Android */
Color.parseColor("#356cdf")Accessibility — WCAG contrast
Aa
#356cdf on white: 4.81:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#356cdf on black: 4.36:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red20.8%
Green42.4%
Blue87.5%
CMYK percentages
Cyan76.2%
Magenta51.6%
Yellow0.0%
Key (black)12.5%
Color previews
#356cdf text on a black background
contrast 4.36:1
Card sample
#356cdf text on a white background
contrast 4.81:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #356cdf;
Background color
Panel with #356cdf background
background-color: #356cdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #356cdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(53, 108, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(53, 108, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #356cdf; background: linear-gradient(135deg, #356cdf, #6F35DF);