#155EEF
Vivid Blue
HEX
RGB
HSL
About #155EEF Vivid Blue
#155EEF is a vivid blue color. In the RGB color model, it is composed of 21 red, 94 green, and 239 blue. In the HSL color space, it has a hue of 220°, saturation of 87%, and lightness of 51%.
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 #155EEF in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
220°
Hue
87%
Saturation
51%
Lightness
Vivid Blue
Color Harmonies
Colors that work well with #155EEF based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #155EEF against white and black backgrounds.
Aa#155EEF on White
Contrast Ratio5.41:1
AA ✓AA Large ✓AAA ✗
Aa#155EEF on Black
Contrast Ratio3.88:1
AA ✗AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #155EEF across different color formats.
| Format | Value |
|---|---|
| HEX | #155EEF |
| RGB | rgb(21, 94, 239) |
| HSL | hsl(220, 87%, 51%) |
| RGB Decimal | 21, 94, 239 |
| RGB Percent | 8.2%, 36.9%, 93.7% |
| CMYK (approx.) | 91%, 61%, 0%, 6% |
Related Palettes
12 palettes using #155EEF or similar colors