#170dbb
a dark, electric blue · warm · closest name: navy
RGB
23, 13, 187
HSL
243°, 87%, 39%
CMYK
88, 93, 0, 27
Luminance
0.0406
Every format
| HEX | #170dbb |
| RGB | rgb(23, 13, 187) |
| HSL | hsl(243, 87%, 39%) |
| CMYK | cmyk(88%, 93%, 0%, 27%) |
| LAB | lab(23.9 60.0 -82.7) |
| LCH | lch(23.9 102.2 305.9) |
| OKLCH | oklch(0.371 0.239 267.6) |
Copy-ready code
/* CSS */
color: #170dbb;
background-color: #170dbb;
/* Tailwind (arbitrary) */
class="text-[#170dbb] bg-[#170dbb]"
/* SCSS */
$brand: #170dbb;
/* SwiftUI */
Color(red: 0.090, green: 0.051, blue: 0.733)
/* Android */
Color.parseColor("#170dbb")Accessibility — WCAG contrast
Aa
#170dbb on white: 11.59:1
AA ✓ pass · AA-large ✓ · AAA ✓
Aa
#170dbb on black: 1.81:1
AA ✗ fail · AA-large ✗ · AAA ✗
true color
protanopia
deuteranopia
tritanopia
RGB percentages
Red9.0%
Green5.1%
Blue73.3%
CMYK percentages
Cyan87.7%
Magenta93.0%
Yellow0.0%
Key (black)26.7%
Color previews
#170dbb text on a black background
contrast 1.81:1
Card sample
#170dbb text on a white background
contrast 11.59:1
Card sample
CSS3 live lab
Text font color
The quick brown fox
color: #170dbb;
Background color
Panel with #170dbb background
background-color: #170dbb;
Text shadow — hex
Glowing headline
text-shadow: 2px 2px 8px #170dbb;
Text shadow — RGB
Soft neon halo
text-shadow: 0 0 14px rgba(23, 13, 187, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(23, 13, 187, 0.45);
Border & gradient
Gradient panel
border: 3px solid #170dbb; background: linear-gradient(135deg, #170dbb, #8B0DBB);