#172bdf
a balanced, electric blue · warm · closest name: blue
RGB
23, 43, 223
HSL
234°, 81%, 48%
CMYK
90, 81, 0, 13
Luminance
0.0724
Every format
| HEX | #172bdf |
| RGB | rgb(23, 43, 223) |
| HSL | hsl(234, 81%, 48%) |
| CMYK | cmyk(90%, 81%, 0%, 13%) |
| LAB | lab(32.3 59.0 -89.6) |
| LCH | lch(32.3 107.3 303.4) |
| OKLCH | oklch(0.442 0.260 266.2) |
Copy-ready code
/* CSS */
color: #172bdf;
background-color: #172bdf;
/* Tailwind (arbitrary) */
class="text-[#172bdf] bg-[#172bdf]"
/* SCSS */
$brand: #172bdf;
/* SwiftUI */
Color(red: 0.090, green: 0.169, blue: 0.875)
/* Android */
Color.parseColor("#172bdf")Accessibility — WCAG contrast
Aa
#172bdf on white: 8.58:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#172bdf on black: 2.45:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green16.9%
Blue87.5%
CMYK percentages
Cyan89.7%
Magenta80.7%
Yellow0.0%
Key (black)12.5%
Color previews
#172bdf text on a black background
contrast 2.45:1
Card sample
#172bdf text on a white background
contrast 8.58:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #172bdf;
Background color
Panel with #172bdf background
background-color: #172bdf;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #172bdf;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 43, 223, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 43, 223, 0.45);
Border & gradient
Gradient panel
border: 3px solid #172bdf; background: linear-gradient(135deg, #172bdf, #8817DF);