#101221
Dark Blue
HEX
RGB
HSL
About #101221 Dark Blue
#101221 is a dark blue color. In the RGB color model, it is composed of 16 red, 18 green, and 33 blue. In the HSL color space, it has a hue of 233°, saturation of 35%, and lightness of 10%.
This color has a low lightness value, making it a dark color great for text and bold accents. With moderate saturation, it appears balanced and versatile.
CSS Code & Gradients
Use #101221 in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
233°
Hue
35%
Saturation
10%
Lightness
Dark Blue
Color Harmonies
Colors that work well with #101221 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #101221 against white and black backgrounds.
Aa#101221 on White
Contrast Ratio18.58:1
AA ✓AA Large ✓AAA ✓
Aa#101221 on Black
Contrast Ratio1.13:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #101221 across different color formats.
| Format | Value |
|---|---|
| HEX | #101221 |
| RGB | rgb(16, 18, 33) |
| HSL | hsl(233, 35%, 10%) |
| RGB Decimal | 16, 18, 33 |
| RGB Percent | 6.3%, 7.1%, 12.9% |
| CMYK (approx.) | 52%, 45%, 0%, 87% |
Related Palettes
12 palettes using #101221 or similar colors