#178eb7
a dark, electric cyan · cool · closest name: steelblue
RGB
23, 142, 183
HSL
195°, 78%, 40%
CMYK
87, 22, 0, 28
Luminance
0.2295
Every format
| HEX | #178eb7 |
| RGB | rgb(23, 142, 183) |
| HSL | hsl(195, 78%, 40%) |
| CMYK | cmyk(87%, 22%, 0%, 28%) |
| LAB | lab(55.0 -16.0 -30.0) |
| LCH | lch(55.0 34.0 242.0) |
| OKLCH | oklch(0.605 0.113 228.3) |
Copy-ready code
/* CSS */
color: #178eb7;
background-color: #178eb7;
/* Tailwind (arbitrary) */
class="text-[#178eb7] bg-[#178eb7]"
/* SCSS */
$brand: #178eb7;
/* SwiftUI */
Color(red: 0.090, green: 0.557, blue: 0.718)
/* Android */
Color.parseColor("#178eb7")Accessibility — WCAG contrast
Aa
#178eb7 on white: 3.76:1
AA ✗ fail · AA-large ✓ · AAA ✗
Aa
#178eb7 on black: 5.59:1
AA ✓ pass · AA-large ✓ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green55.7%
Blue71.8%
CMYK percentages
Cyan87.4%
Magenta22.4%
Yellow0.0%
Key (black)28.2%
Color previews
#178eb7 text on a black background
contrast 5.59:1
Card sample
#178eb7 text on a white background
contrast 3.76:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #178eb7;
Background color
Panel with #178eb7 background
background-color: #178eb7;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #178eb7;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 142, 183, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 142, 183, 0.45);
Border & gradient
Gradient panel
border: 3px solid #178eb7; background: linear-gradient(135deg, #178eb7, #1723B7);