---
id: fast-colors.colorrgba64.b
title: ColorRGBA64.b property
hide_title: true
---
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[@microsoft/fast-colors](./fast-colors.md) &gt; [ColorRGBA64](./fast-colors.colorrgba64.md) &gt; [b](./fast-colors.colorrgba64.b.md)

## ColorRGBA64.b property

The blue value

<b>Signature:</b>

```typescript
readonly b: number;
```

## Remarks

Scaled to the range \[0.0 , 1.0\]. Values outside this range are allowed but any methods that convert or tostring the values will also be clamped
