#21040A
Dark Red
HEX
RGB
HSL
About #21040A Dark Red
#21040A is a dark red color. In the RGB color model, it is composed of 33 red, 4 green, and 10 blue. In the HSL color space, it has a hue of 348°, saturation of 78%, and lightness of 7%.
This color has a low lightness value, making it a dark color great for text and bold accents. With high saturation, it appears vibrant and eye-catching.
CSS Code & Gradients
Use #21040A in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
348°
Hue
78%
Saturation
7%
Lightness
Dark Red
Color Harmonies
Colors that work well with #21040A based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #21040A against white and black backgrounds.
Aa#21040A on White
Contrast Ratio19.33:1
AA ✓AA Large ✓AAA ✓
Aa#21040A on Black
Contrast Ratio1.09:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #21040A across different color formats.
| Format | Value |
|---|---|
| HEX | #21040A |
| RGB | rgb(33, 4, 10) |
| HSL | hsl(348, 78%, 7%) |
| RGB Decimal | 33, 4, 10 |
| RGB Percent | 12.9%, 1.6%, 3.9% |
| CMYK (approx.) | 0%, 88%, 70%, 87% |
Related Palettes
12 palettes using #21040A or similar colors