#378CFB
Vivid Blue
HEX
RGB
HSL
About #378CFB Vivid Blue
#378CFB is a vivid blue color. In the RGB color model, it is composed of 55 red, 140 green, and 251 blue. In the HSL color space, it has a hue of 214°, saturation of 96%, and lightness of 60%.
This color has a medium lightness value, making it a balanced tone ideal for both text and UI elements. With high saturation, it appears vibrant and eye-catching.
CSS Code & Gradients
Use #378CFB in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
214°
Hue
96%
Saturation
60%
Lightness
Vivid Blue
Color Harmonies
Colors that work well with #378CFB based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #378CFB against white and black backgrounds.
Aa#378CFB on White
Contrast Ratio3.33:1
AA ✗AA Large ✓AAA ✗
Aa#378CFB on Black
Contrast Ratio6.31:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #378CFB across different color formats.
| Format | Value |
|---|---|
| HEX | #378CFB |
| RGB | rgb(55, 140, 251) |
| HSL | hsl(214, 96%, 60%) |
| RGB Decimal | 55, 140, 251 |
| RGB Percent | 21.6%, 54.9%, 98.4% |
| CMYK (approx.) | 78%, 44%, 0%, 2% |
Related Palettes
12 palettes using #378CFB or similar colors