#171B40
Dark Blue
HEX
RGB
HSL
About #171B40 Dark Blue
#171B40 is a dark blue color. In the RGB color model, it is composed of 23 red, 27 green, and 64 blue. In the HSL color space, it has a hue of 234°, saturation of 47%, and lightness of 17%.
This color has a low lightness value, making it a dark color great for text and bold accents. With moderate saturation, it appears balanced and versatile.
CSS Code & Gradients
Use #171B40 in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
234°
Hue
47%
Saturation
17%
Lightness
Dark Blue
Color Harmonies
Colors that work well with #171B40 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #171B40 against white and black backgrounds.
Aa#171B40 on White
Contrast Ratio16.57:1
AA ✓AA Large ✓AAA ✓
Aa#171B40 on Black
Contrast Ratio1.27:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #171B40 across different color formats.
| Format | Value |
|---|---|
| HEX | #171B40 |
| RGB | rgb(23, 27, 64) |
| HSL | hsl(234, 47%, 17%) |
| RGB Decimal | 23, 27, 64 |
| RGB Percent | 9.0%, 10.6%, 25.1% |
| CMYK (approx.) | 64%, 58%, 0%, 75% |
Related Palettes
12 palettes using #171B40 or similar colors