#378B8B
Cyan
HEX
RGB
HSL
About #378B8B Cyan
#378B8B is a cyan color. In the RGB color model, it is composed of 55 red, 139 green, and 139 blue. In the HSL color space, it has a hue of 180°, saturation of 43%, and lightness of 38%.
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 #378B8B in your CSS, SCSS, or Tailwind projects.
Color Properties
180°
Hue
43%
Saturation
38%
Lightness
Cyan
Color Harmonies
Colors that work well with #378B8B based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #378B8B against white and black backgrounds.
Aa#378B8B on White
Contrast Ratio4.02:1
AA ✗AA Large ✓AAA ✗
Aa#378B8B on Black
Contrast Ratio5.23:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #378B8B across different color formats.
| Format | Value |
|---|---|
| HEX | #378B8B |
| RGB | rgb(55, 139, 139) |
| HSL | hsl(180, 43%, 38%) |
| RGB Decimal | 55, 139, 139 |
| RGB Percent | 21.6%, 54.5%, 54.5% |
| CMYK (approx.) | 60%, 0%, 0%, 45% |
Related Palettes
12 palettes using #378B8B or similar colors