TACENZA.

Brand guidelines · a CARTIQO. product

TACENZA is a private messenger: an account is only a username and a password, and everything is encrypted before it leaves the device. The brand should feel the same way – quiet, precise and honest. These guidelines cover the logo, colour, type, interface and voice.

Colour

A quiet, violet-tinted palette. Neutrals lean towards the accent so nothing looks default, and the accent is used sparingly – for the full stop, primary actions and links. The app has a light and a dark theme; both are designed, not inverted. Click a value to copy it.

Light theme

Background--bg
Surface--surface
Ink--ink · text
Muted--muted · secondary text
Line--line · borders
Accent--accent
My bubble--mine
Danger--danger
OK--ok
Warning ground--warn-bg

Dark theme

Background--bg
Surface--surface
Ink--ink
Muted--muted
Line--line
Accent · my bubble--accent, --mine
Their bubble--theirs
Danger--danger
OK--ok
Warning ground--warn-bg

Contrast

Every text colour meets WCAG 2.1 AA (4.5:1) on the grounds it's used on; the app tests this on every build.

PairLightDark
Ink on background14.0 : 115.3 : 1
Ink on surface16.6 : 113.9 : 1
Muted on surface5.4 : 16.5 : 1
Accent on surface9.2 : 16.5 : 1
Button text on accent9.2 : 17.1 : 1
Danger on surface7.4 : 17.0 : 1
OK on surface5.2 : 19.2 : 1
Warning text on warning ground7.7 : 19.9 : 1

Typography

Two families: a high-contrast Didone for identity, and a typeface designed for legibility for everything people read and tap. Both are open source and self-hosted – TACENZA never loads fonts from a third party.

Display · Bodoni Moda

Aa Tt
Silence.

ABCDEFGHIJKLMNOPQRSTUVWXYZ 0123456789 .,:;–

Weights 500 and 700. For the wordmark, headings, safety-number digits and avatar initials. Never for body text or buttons.

Text · Atkinson Hyperlegible

Private messages.

Just a username and a password. Designed by the Braille Institute so that easily confused letters – I l 1, O 0 – stay distinct.

ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz 0123456789

Weights 400 and 700. For everything else: messages, labels, buttons, settings.

Scale

Display 52/700TACENZA.
Title 30/700Share live location
Heading 21/700Studio HQ
Body 16/400Messages here are encrypted on this phone before they are sent.
Small 13/400vanishes in 4 min · 22:14
Label 12/700Just for you
Digits 26/50048213 90571 22804

Components

The interface is calm and flat: one accent, rounded but not pill-shaped, borders instead of shadows. These are the app's own styles and change with the theme.

Buttons

One primary action per view. Danger buttons are outlined; they fill only in the final confirmation.

Fields and switches

Protected content

Chat

Hi Ben! This was encrypted before it left my phone.22:11
So the server can't read a word of it?22:12
Anna turned on protected content.

Badges, notes and safety numbers

dice_botbotadmin

If you forget your password, nobody can recover your account.
482139057122804613950774235168

Icons

Line icons on a 24 px grid, 2 px stroke, round caps and joins, drawn in the current text colour. No filled icons, no emoji as icons, and every icon-only button has a text label for screen readers.

Server view
Attach
Photo
File
Location
Contact
Bots
Muted
Pinned

Voice

TACENZA talks like a calm, knowledgeable friend: plain, short and honest about limits. It never promises more privacy than it can deliver.

  • Plain words. Say what happens, from the user's side: “Only you and the people you write to can read it”, not “E2EE with ECDH P-256”.
  • Honest about limits. If something can't be done – a web page can't block screenshots – say so.
  • Sentence case everywhere, including buttons and headings. Only the name TACENZA and the wordmark are in capitals.
  • No exclamation marks in errors. Explain what went wrong and what to do next.
  • English and Danish at launch, written for each language – never machine-translated.
WriteNobody can reset your password for you – not even TACENZA – because nobody else can open your account. Use the recovery key your device made when you signed up.Your device couldn't work out where it is. Turn on location in Windows Settings.
NotMilitary-grade, 100% unhackable encryption!Oops! Something went wrong :( Please try again later!!

Screenshots and imagery

  • Show the product in use with example people – Anna, Ben, Chloe – and example content. Never real names, faces, messages, addresses or documents, not even blurred.
  • Use real app screens at their true size; don't mock features that don't exist.
  • Photography, when used, is quiet and unposed: interiors, hands, daylight. No stock images of padlocks, hackers or binary code.

Downloads

FileUse
tacenza-wordmark.svgPrimary logo, light grounds
tacenza-wordmark-reversed.svgDark grounds
tacenza-wordmark-black.svg · whiteOne-colour use
tacenza-lockup.svg · reversedWith “by CARTIQO.”
tacenza-mark.svg · lightApp mark, avatars
tacenza-icon-512.png · 192 · 32 · 16App and favicon PNGs
tacenza-icon-maskable-512.pngAndroid and PWA icon (full bleed)
tacenza-icon-180.pngiOS home screen

Logos are outlined, so they look the same without the fonts installed. Fonts: Bodoni Moda and Atkinson Hyperlegible, both under the SIL Open Font License.