#EF310B
Vivid Red
HEX
RGB
HSL
About #EF310B Vivid Red
#EF310B is a vivid red color. In the RGB color model, it is composed of 239 red, 49 green, and 11 blue. In the HSL color space, it has a hue of 10°, saturation of 91%, and lightness of 49%.
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 #EF310B in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
10°
Hue
91%
Saturation
49%
Lightness
Vivid Red
Color Harmonies
Colors that work well with #EF310B based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #EF310B against white and black backgrounds.
Aa#EF310B on White
Contrast Ratio4.11:1
AA ✗AA Large ✓AAA ✗
Aa#EF310B on Black
Contrast Ratio5.11:1
AA ✓AA Large ✓AAA ✗
Color Conversion Table
Complete conversion of #EF310B across different color formats.
| Format | Value |
|---|---|
| HEX | #EF310B |
| RGB | rgb(239, 49, 11) |
| HSL | hsl(10, 91%, 49%) |
| RGB Decimal | 239, 49, 11 |
| RGB Percent | 93.7%, 19.2%, 4.3% |
| CMYK (approx.) | 0%, 79%, 95%, 6% |
Related Palettes
12 palettes using #EF310B or similar colors