#51A3F5
Vivid Blue
HEX
RGB
HSL
About #51A3F5 Vivid Blue
#51A3F5 is a vivid blue color. In the RGB color model, it is composed of 81 red, 163 green, and 245 blue. In the HSL color space, it has a hue of 210°, saturation of 89%, and lightness of 64%.
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
Use #51A3F5 in your CSS, SCSS, or Tailwind projects.
Color Properties
210°
Hue
89%
Saturation
64%
Lightness
Vivid Blue
Color Harmonies
Colors that work well with #51A3F5 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #51A3F5 against white and black backgrounds.
Aa#51A3F5 on White
Contrast Ratio2.66:1
AA ✗AA Large ✗AAA ✗
Aa#51A3F5 on Black
Contrast Ratio7.91:1
AA ✓AA Large ✓AAA ✓
Color Conversion Table
Complete conversion of #51A3F5 across different color formats.
| Format | Value |
|---|---|
| HEX | #51A3F5 |
| RGB | rgb(81, 163, 245) |
| HSL | hsl(210, 89%, 64%) |
| RGB Decimal | 81, 163, 245 |
| RGB Percent | 31.8%, 63.9%, 96.1% |
| CMYK (approx.) | 67%, 33%, 0%, 4% |
Related Palettes
12 palettes using #51A3F5 or similar colors