#171721
Dark Blue
HEX
RGB
HSL
About #171721 Dark Blue
#171721 is a dark blue color. In the RGB color model, it is composed of 23 red, 23 green, and 33 blue. In the HSL color space, it has a hue of 240°, saturation of 18%, and lightness of 11%.
This color has a low lightness value, making it a dark color great for text and bold accents. With low saturation, it appears muted and subtle.
CSS Code
Use #171721 in your CSS, SCSS, or Tailwind projects.
Color Properties
240°
Hue
18%
Saturation
11%
Lightness
Dark Blue
Color Harmonies
Colors that work well with #171721 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #171721 against white and black backgrounds.
Aa#171721 on White
Contrast Ratio17.78:1
AA ✓AA Large ✓AAA ✓
Aa#171721 on Black
Contrast Ratio1.18:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #171721 across different color formats.
| Format | Value |
|---|---|
| HEX | #171721 |
| RGB | rgb(23, 23, 33) |
| HSL | hsl(240, 18%, 11%) |
| RGB Decimal | 23, 23, 33 |
| RGB Percent | 9.0%, 9.0%, 12.9% |
| CMYK (approx.) | 30%, 30%, 0%, 87% |
Related Palettes
12 palettes using #171721 or similar colors