#21BBDA
Blue
HEX
RGB
HSL
About #21BBDA Blue
#21BBDA is a blue color. In the RGB color model, it is composed of 33 red, 187 green, and 218 blue. In the HSL color space, it has a hue of 190°, saturation of 74%, and lightness of 49%.
This color has a medium lightness value, making it a balanced tone ideal for both text and UI elements. With high saturation, it appears vibrant and eye-catching.
CSS Code & Gradients
Use #21BBDA in your CSS, SCSS, or Tailwind projects. Copy ready-to-use gradients.
Beautiful Gradients
Color Properties
190°
Hue
74%
Saturation
49%
Lightness
Blue
Color Harmonies
Colors that work well with #21BBDA based on color theory.
Accessibility
WCAG 2.1 contrast ratio of #21BBDA against white and black backgrounds.
Aa#21BBDA on White
Contrast Ratio2.29:1
AA ✗AA Large ✗AAA ✗
Aa#21BBDA on Black
Contrast Ratio9.19:1
AA ✓AA Large ✓AAA ✓
Color Conversion Table
Complete conversion of #21BBDA across different color formats.
| Format | Value |
|---|---|
| HEX | #21BBDA |
| RGB | rgb(33, 187, 218) |
| HSL | hsl(190, 74%, 49%) |
| RGB Decimal | 33, 187, 218 |
| RGB Percent | 12.9%, 73.3%, 85.5% |
| CMYK (approx.) | 85%, 14%, 0%, 15% |
Related Palettes
12 palettes using #21BBDA or similar colors