#21253B
Dark Blue
HEX
RGB
HSL
About #21253B Dark Blue
#21253B is a dark blue color. In the RGB color model, it is composed of 33 red, 37 green, and 59 blue. In the HSL color space, it has a hue of 231°, saturation of 28%, and lightness of 18%.
This color has a low lightness value, making it a dark color great for text and bold accents. With low saturation, it appears muted and subtle.
CSS Code & Gradients
Use #21253B in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
231°
Hue
28%
Saturation
18%
Lightness
Dark Blue
Color Harmonies
Colors that work well with #21253B based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #21253B against white and black backgrounds.
Aa#21253B on White
Contrast Ratio15.08:1
AA ✓AA Large ✓AAA ✓
Aa#21253B on Black
Contrast Ratio1.39:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #21253B across different color formats.
| Format | Value |
|---|---|
| HEX | #21253B |
| RGB | rgb(33, 37, 59) |
| HSL | hsl(231, 28%, 18%) |
| RGB Decimal | 33, 37, 59 |
| RGB Percent | 12.9%, 14.5%, 23.1% |
| CMYK (approx.) | 44%, 37%, 0%, 77% |
Related Palettes
12 palettes using #21253B or similar colors