#175cef
a balanced, electric blue · cool · closest name: royalblue
RGB
23, 92, 239
HSL
221°, 87%, 51%
CMYK
90, 62, 0, 6
Luminance
0.1407
Every format
| HEX | #175cef |
| RGB | rgb(23, 92, 239) |
| HSL | hsl(221, 87%, 51%) |
| CMYK | cmyk(90%, 62%, 0%, 6%) |
| LAB | lab(44.3 36.1 -78.9) |
| LCH | lch(44.3 86.8 294.6) |
| OKLCH | oklch(0.533 0.231 262.6) |
Copy-ready code
/* CSS */
color: #175cef;
background-color: #175cef;
/* Tailwind (arbitrary) */
class="text-[#175cef] bg-[#175cef]"
/* SCSS */
$brand: #175cef;
/* SwiftUI */
Color(red: 0.090, green: 0.361, blue: 0.937)
/* Android */
Color.parseColor("#175cef")Accessibility — WCAG contrast
Aa
#175cef on white: 5.51:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#175cef on black: 3.81:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green36.1%
Blue93.7%
CMYK percentages
Cyan90.4%
Magenta61.5%
Yellow0.0%
Key (black)6.3%
Color previews
#175cef text on a black background
contrast 3.81:1
Card sample
#175cef text on a white background
contrast 5.51:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #175cef;
Background color
Panel with #175cef background
background-color: #175cef;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #175cef;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 92, 239, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 92, 239, 0.45);
Border & gradient
Gradient panel
border: 3px solid #175cef; background: linear-gradient(135deg, #175cef, #6217EF);