#121F21
Dark Cyan
HEX
RGB
HSL
About #121F21 Dark Cyan
#121F21 is a dark cyan color. In the RGB color model, it is composed of 18 red, 31 green, and 33 blue. In the HSL color space, it has a hue of 188°, saturation of 29%, and lightness of 10%.
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
Use #121F21 in your CSS, SCSS, or Tailwind projects.
Color Properties
188°
Hue
29%
Saturation
10%
Lightness
Dark Cyan
Color Harmonies
Colors that work well with #121F21 based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #121F21 against white and black backgrounds.
Aa#121F21 on White
Contrast Ratio16.89:1
AA ✓AA Large ✓AAA ✓
Aa#121F21 on Black
Contrast Ratio1.24:1
AA ✗AA Large ✗AAA ✗
Color Conversion Table
Complete conversion of #121F21 across different color formats.
| Format | Value |
|---|---|
| HEX | #121F21 |
| RGB | rgb(18, 31, 33) |
| HSL | hsl(188, 29%, 10%) |
| RGB Decimal | 18, 31, 33 |
| RGB Percent | 7.1%, 12.2%, 12.9% |
| CMYK (approx.) | 45%, 6%, 0%, 87% |
Related Palettes
12 palettes using #121F21 or similar colors