---
title: "Sigma Icon | Free Download PNG & SVG | Ultimate Colors"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/sigma--19617
canonical_url: "https://www.streamlinehq.com/icons/download/sigma--19617"
summary: "Playful creative icon of a black angular sigma over a blue circle. Used for math, summation, and equations."
---

# Sigma icon

The Sigma icon shows a black angular Greek sigma over a light blue circle. Drawn in the creative style on a 24px grid with a 1px stroke for clear, colorful UI use. Use it for mathematics, summation tools, equations, analytics, and educational interfaces. It belongs to Ultimate Colors set in the Ultimate family.

## Preview

![Playful creative icon of a black angular sigma over a blue circle. Used for math, summation, and equations.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/text-formatting/sigma-66f6jdkcmpw4mtjqaizud2.png/sigma-n5x8i8eormb4ezuqa63m3v.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Sigma
- **Type**: Icon
- **Set**: [Ultimate Colors](/icons/streamline-colors.md) — Ultimate is the world's largest icon family. The Multicolor version brings a playful, flexible look by combining colored outlines with filled shapes.
- **Family**: [Ultimate](/icons/ultimate-sets.md) — The encyclopedia of icons
- **Style**: Creative, Stroke, Filled
- **Category**: Interface Essential › Text Formatting
- **Default size**: 24px
- **Stroke width**: 1px
- **Pricing**: Pro
- **License**: [Commercial](https://home.streamlinehq.com/license-premium)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: sigma, sum, summation, formula, math, series, statistics, calculus, equation, greek, symbol, algebra, total, format, text, font, formatting, bold, italic, arrow, underline

## Download

- [Download Sigma on Streamline](https://www.streamlinehq.com/icons/download/sigma--19617)

## Also available in other styles

- [Sigma — Ultimate Duotone](/icons/download/sigma--15811.md) (Pro)
- [Sigma — Ultimate Regular](/icons/download/sigma--9018.md) (Pro)
- [Sigma — Ultimate Bold](/icons/download/sigma--7556.md) (Pro)
- [Sigma — Ultimate Light](/icons/download/sigma--8287.md) (Pro)

---

[View full sitemap](/sitemap.md)