#170df3
a balanced, electric blue · warm · closest name: blue
RGB
23, 13, 243
HSL
243°, 91%, 50%
CMYK
91, 95, 0, 5
Luminance
0.0694
Every format
| HEX | #170df3 |
| RGB | rgb(23, 13, 243) |
| HSL | hsl(243, 91%, 50%) |
| CMYK | cmyk(91%, 95%, 0%, 5%) |
| LAB | lab(31.7 74.4 -102.1) |
| LCH | lch(31.7 126.4 306.1) |
| OKLCH | oklch(0.444 0.296 266.1) |
Copy-ready code
/* CSS */
color: #170df3;
background-color: #170df3;
/* Tailwind (arbitrary) */
class="text-[#170df3] bg-[#170df3]"
/* SCSS */
$brand: #170df3;
/* SwiftUI */
Color(red: 0.090, green: 0.051, blue: 0.953)
/* Android */
Color.parseColor("#170df3")Accessibility — WCAG contrast
Aa
#170df3 on white: 8.79:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#170df3 on black: 2.39:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green5.1%
Blue95.3%
CMYK percentages
Cyan90.5%
Magenta94.7%
Yellow0.0%
Key (black)4.7%
Color previews
#170df3 text on a black background
contrast 2.39:1
Card sample
#170df3 text on a white background
contrast 8.79:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #170df3;
Background color
Panel with #170df3 background
background-color: #170df3;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #170df3;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 13, 243, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 13, 243, 0.45);
Border & gradient
Gradient panel
border: 3px solid #170df3; background: linear-gradient(135deg, #170df3, #B00DF3);