#173A39
Dark Cyan
HEX
RGB
HSL
About #173A39 Dark Cyan
#173A39 is a dark cyan color. In the RGB color model, it is composed of 23 red, 58 green, and 57 blue. In the HSL color space, it has a hue of 178°, saturation of 43%, and lightness of 16%.
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
Use #173A39 in your CSS, SCSS, or Tailwind projects.
Color Properties
178°
Hue
43%
Saturation
16%
Lightness
Dark Cyan
Color Harmonies
Colors that work well with #173A39 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #173A39 against white and black backgrounds.
Aa#173A39 on White
Contrast Ratio12.35:1
AA ✓AA Large ✓AAA ✓
Aa#173A39 on Black
Contrast Ratio1.7:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #173A39 across different color formats.
| Format | Value |
|---|---|
| HEX | #173A39 |
| RGB | rgb(23, 58, 57) |
| HSL | hsl(178, 43%, 16%) |
| RGB Decimal | 23, 58, 57 |
| RGB Percent | 9.0%, 22.7%, 22.4% |
| CMYK (approx.) | 60%, 0%, 2%, 77% |
Related Palettes
12 palettes using #173A39 or similar colors