#175acb
a dark, electric blue · cool · closest name: royalblue
RGB
23, 90, 203
HSL
218°, 80%, 44%
CMYK
89, 56, 0, 20
Luminance
0.1181
Every format
| HEX | #175acb |
| RGB | rgb(23, 90, 203) |
| HSL | hsl(218, 80%, 44%) |
| CMYK | cmyk(89%, 56%, 0%, 20%) |
| LAB | lab(40.9 23.6 -64.0) |
| LCH | lch(40.9 68.2 290.3) |
| OKLCH | oklch(0.499 0.188 260.6) |
Copy-ready code
/* CSS */
color: #175acb;
background-color: #175acb;
/* Tailwind (arbitrary) */
class="text-[#175acb] bg-[#175acb]"
/* SCSS */
$brand: #175acb;
/* SwiftUI */
Color(red: 0.090, green: 0.353, blue: 0.796)
/* Android */
Color.parseColor("#175acb")Accessibility — WCAG contrast
Aa
#175acb on white: 6.25:1
AA ✓ pass · AA-large ✓ · AAA ✗
Aa
#175acb on black: 3.36:1
AA ✗ fail · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green35.3%
Blue79.6%
CMYK percentages
Cyan88.7%
Magenta55.7%
Yellow0.0%
Key (black)20.4%
Color previews
#175acb text on a black background
contrast 3.36:1
Card sample
#175acb text on a white background
contrast 6.25:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #175acb;
Background color
Panel with #175acb background
background-color: #175acb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #175acb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 90, 203, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 90, 203, 0.45);
Border & gradient
Gradient panel
border: 3px solid #175acb; background: linear-gradient(135deg, #175acb, #4C17CB);