#155cdf
a balanced, electric blue · cool · closest name: royalblue
RGB
21, 92, 223
HSL
219°, 83%, 48%
CMYK
91, 59, 0, 13
Luminance
0.1314
Every format
| HEX | #155cdf |
| RGB | rgb(21, 92, 223) |
| HSL | hsl(219, 83%, 48%) |
| CMYK | cmyk(91%, 59%, 0%, 13%) |
| LAB | lab(43.0 30.0 -72.1) |
| LCH | lch(43.0 78.1 292.6) |
| OKLCH | oklch(0.519 0.211 261.6) |
Copy-ready code
/* CSS */
color: #155cdf;
background-color: #155cdf;
/* Tailwind (arbitrary) */
class="text-[#155cdf] bg-[#155cdf]"
/* SCSS */
$brand: #155cdf;
/* SwiftUI */
Color(red: 0.082, green: 0.361, blue: 0.875)
/* Android */
Color.parseColor("#155cdf")Accessibility — WCAG contrast
Aa
#155cdf on white: 5.79:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#155cdf on black: 3.63:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red8.2%
Green36.1%
Blue87.5%
CMYK percentages
Cyan90.6%
Magenta58.7%
Yellow0.0%
Key (black)12.5%
Color previews
#155cdf text on a black background
contrast 3.63:1
Card sample
#155cdf text on a white background
contrast 5.79:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #155cdf;
Background color
Panel with #155cdf background
background-color: #155cdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #155cdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(21, 92, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(21, 92, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #155cdf; background: linear-gradient(135deg, #155cdf, #5515DF);