Letter Brand Identity

A complete profile of Letter's visual system — colors, typography, components, and personality — extracted from https://letter.co. Built for designers, agents, and AI tools.

Color Palette

Brand palette extracted from https://letter.co.

Primary

#536EFF

Secondary

#FCEDE1

Accent

#186F64

Background

#FFFFFF

Text Primary

#186F64

Link

#186F64

Typography

Each font links to its Google Fonts page where available.

Body Font

Arial

Heading

Neufile Grotesk Extended

Visual Assets

%20!important%3B%22%2F%3E%0A%20%20%20%20%20%20%20%20%20%20%20%20%20%20%3Cpath%20d%3D%22M8.40625%2017.0593L6.20599%2019.643C3.73512%2022.5334%205.78242%2027.0046%209.58286%2027.0046H15.9836L24.4669%2017.0711H8.40625V17.0593Z%22%20style%3D%22fill%3A%20rgb(25%2C%2027%2C%2031)%20!important%3B%22%2F%3E%0A%20%20%20%20%20%20%20%20%20%20%20%20%3C%2Fsvg%3E)

UI Components

Live previews rendered using Letter's actual button styles.

Button Primary

background: #644BC4 textColor: #E6DEF0 borderRadius: 2px shadow: none

Button Secondary

background: #154EA5 textColor: #E6EBEC borderRadius: 2px shadow: none

Brand Personality

Tone: modern Energy: medium Audience: professionals and businesses looking for lending solutions

Letter Brand in the Wild

Source: letter.co

Source: letter.co

Source: letter.co

Source: letter.co

Source: letter.co

Source: letter.co

Frequently Asked Questions

What is Letter's primary brand color?

Letter's primary brand color is #536EFF. It anchors the visual identity across their website, product UI, and marketing materials.

What accent color does Letter use?

Letter uses #186F64 as an accent color, typically applied to interactive elements like links, buttons, and call-to-action emphasis.

What font does Letter use?

Letter uses Arial for body text and Neufile Grotesk Extended for headings. Fonts were detected on https://letter.co as part of their live design system.

Does Letter use a light or dark theme?

Letter's primary site uses a light color scheme, with a background of #FFFFFF.

Where can I find Letter's logo?

Letter's logo is available directly on their site (https://letter.co). The current logo URL is included in the machine-readable JSON profile linked above.

How was this brand profile generated?

This profile was extracted from https://letter.co using the Firecrawl branding extraction API, which inspects the live page's CSS, fonts, color tokens, and component styles. It is not affiliated with or endorsed by Letter.

Methodology

Brand data on this page was extracted from https://letter.co on 2026-07-27 using the Firecrawl branding extraction API, which inspects each site's live CSS, font network requests, color tokens, and component styles. Brand-in-the-wild images were sourced via Google Image Search restricted to ad/webinar/report queries and link out to their original third-party publishers; we link to the source rather than re-hosting third-party content. This page is published by CharacterQuilt and is not affiliated with or endorsed by Letter.