#378FFB
Vivid Blue
HEX
RGB
HSL
About #378FFB Vivid Blue
#378FFB is a vivid blue color. In the RGB color model, it is composed of 55 red, 143 green, and 251 blue. In the HSL color space, it has a hue of 213°, 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 #378FFB in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
213°
Hue
96%
Saturation
60%
Lightness
Vivid Blue
Color Harmonies
Colors that work well with #378FFB based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #378FFB against white and black backgrounds.
Aa#378FFB on White
Contrast Ratio3.24:1
AA ✗AA Large ✓AAA ✗
Aa#378FFB on Black
Contrast Ratio6.48:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #378FFB across different color formats.
| Format | Value |
|---|---|
| HEX | #378FFB |
| RGB | rgb(55, 143, 251) |
| HSL | hsl(213, 96%, 60%) |
| RGB Decimal | 55, 143, 251 |
| RGB Percent | 21.6%, 56.1%, 98.4% |
| CMYK (approx.) | 78%, 43%, 0%, 2% |
Related Palettes
12 palettes using #378FFB or similar colors