#12151D
Dark Blue
HEX
RGB
HSL
About #12151D Dark Blue
#12151D is a dark blue color. In the RGB color model, it is composed of 18 red, 21 green, and 29 blue. In the HSL color space, it has a hue of 224°, saturation of 23%, and lightness of 9%.
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 #12151D in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
224°
Hue
23%
Saturation
9%
Lightness
Dark Blue
Color Harmonies
Colors that work well with #12151D based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #12151D against white and black backgrounds.
Aa#12151D on White
Contrast Ratio18.25:1
AA ✓AA Large ✓AAA ✓
Aa#12151D on Black
Contrast Ratio1.15:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #12151D across different color formats.
| Format | Value |
|---|---|
| HEX | #12151D |
| RGB | rgb(18, 21, 29) |
| HSL | hsl(224, 23%, 9%) |
| RGB Decimal | 18, 21, 29 |
| RGB Percent | 7.1%, 8.2%, 11.4% |
| CMYK (approx.) | 38%, 28%, 0%, 89% |
Related Palettes
12 palettes using #12151D or similar colors