#172df4
a balanced, electric blue · warm · closest name: blue
RGB
23, 45, 244
HSL
234°, 91%, 52%
CMYK
91, 82, 0, 4
Luminance
0.0859
Every format
| HEX | #172df4 |
| RGB | rgb(23, 45, 244) |
| HSL | hsl(234, 91%, 52%) |
| CMYK | cmyk(91%, 82%, 0%, 4%) |
| LAB | lab(35.2 64.5 -96.8) |
| LCH | lch(35.2 116.3 303.7) |
| OKLCH | oklch(0.469 0.281 265.9) |
Copy-ready code
/* CSS */
color: #172df4;
background-color: #172df4;
/* Tailwind (arbitrary) */
class="text-[#172df4] bg-[#172df4]"
/* SCSS */
$brand: #172df4;
/* SwiftUI */
Color(red: 0.090, green: 0.176, blue: 0.957)
/* Android */
Color.parseColor("#172df4")Accessibility — WCAG contrast
Aa
#172df4 on white: 7.73:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#172df4 on black: 2.72:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green17.6%
Blue95.7%
CMYK percentages
Cyan90.6%
Magenta81.6%
Yellow0.0%
Key (black)4.3%
Color previews
#172df4 text on a black background
contrast 2.72:1
Card sample
#172df4 text on a white background
contrast 7.73:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #172df4;
Background color
Panel with #172df4 background
background-color: #172df4;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #172df4;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 45, 244, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 45, 244, 0.45);
Border & gradient
Gradient panel
border: 3px solid #172df4; background: linear-gradient(135deg, #172df4, #9417F4);