SiteStyleGuide

Unofficial A style guide made by SiteStyleGuide from twilio.com’s public web pages. Not affiliated with or endorsed by Twilio. The real site is twilio.com ↗

Twilio logo

Unofficial style guide

Twiliostyle guide

Twilio’s website (twilio.com) uses Whitney SSm for its headings and body text. Its palette is led by Black (#000D25), Deep Crimson (#DB132A) and Light Crimson (#EF223A), with #000D25 text on #FFFFFF. Captured from the live site on 21 October 2026.

Website
twilio.com
Typefaces
Whitney SSm, Twilio Sans Mono, Buffalo
Palette
4 neutrals, 12 colours, 3 gradients
Captured
21 Oct 2026 · added by @sitestyleguide
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https://www.twilio.com/en-us Screenshot
Screenshot of the twilio.com homepage on a desktop screen
Screenshot of twilio.com on a 1440 px desktop screen, 21 Oct 2026.

Identity & metadata

What browsers, search engines and social cards show before anyone reaches the page, from the homepage’s <head>.

Title &
description

Page title
Conversational AI and APIs for SMS, Email, Voice | Twilio
● 57 / 60 characters
Meta description
Build amazing customer experiences on the Twilio platform with APIs for SMS, RCS, voice, and email, plus conversational AI for smarter engagement, and identity verification for trust.
▲ 183 / 160 characters
Site name
Twilio
og:title
Conversational AI and APIs for SMS, Email, Voice
og:description
Build amazing customer experiences on the Twilio platform with APIs for SMS, RCS, voice, and email, plus conversational AI for smarter engagement, and identity verification for trust.
Language
en
Theme colour
#ffffff

In search results

Twiliohttps://www.twilio.com/en-us

Conversational AI and APIs for SMS, Email, Voice | Twilio

Build amazing customer experiences on the Twilio platform with APIs for SMS, RCS, voice, and email, plus conversational AI for smarter engagement, and identity v…

When shared

The image Twilio shares with links

twilio.com

Conversational AI and APIs for SMS, Email, Voice

Build amazing customer experiences on the Twilio platform with APIs for SMS, RCS, voice, and email, plus conv…

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Colour

Read from the site’s stylesheets and weighted by where each colour is used. Names are the nearest standard colour name. Click a swatch to copy its hex code.

Contrast is against the site’s text colour (#000D25) and white, using WCAG 2 ratios: 4.5 for body text, 3 for large text.

Colour

Balance

How much each colour is used
  • White 52.3%
  • Black 24.2%
  • Deep Crimson 6.1%
  • Light Crimson 5.5%
  • Fire Brick 4.3%
  • Light Steel Blue 1.1%
  • Black 1%
  • Dark Blue 0.8%
  • Indian Red 0.7%
  • Steel Blue 0.7%
  • Charcoal 0.6%
  • Light Midnight Blue 0.5%
  • Deep Midnight Blue 0.5%
  • Pink 0.5%
  • Dodger Blue 0.5%
  • Cool Light Grey 0.4%

By how often each colour appears in the site’s CSS, weighted by where (body, headings, buttons), not by area on the screen.

Neutrals

Text, backgrounds and structure

  • White

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    0 0 0 0
    On text
    19.37:1 AAA
    On white
    —

    Text, background, border · .customer-stats__cta .button, .cmp-events-list__filters__buttons button[type=reset]

  • Black

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    0 0 0 100
    On text
    1.08:1 Fail
    On white
    21.00:1 AAA

    Text, background, border · .swiper-pagination-bullet, .message-box__icon

  • Charcoal

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    0 0 0 78
    On text
    1.68:1 Fail
    On white
    11.55:1 AAA

    Text, border · .flatpickr-day, .flatpickr-time input

  • Cool Light Grey

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    6 5 0 15
    On text
    12.21:1 AAA
    On white
    1.59:1 Fail

    Background · .catalog-logo-integration:before, .catalog-logo-integration:after

Colours

Brand colours and accents, most used first

  • Black

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    100 65 0 85
    On text
    —
    On white
    19.37:1 AAA

    Text, background, graphic · .product-recommender--visible .product-recommender__container, .product-recommender--extending-visible .product-recommender__container

  • Deep Crimson

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    0 91 81 14
    On text
    3.82:1 AA large
    On white
    5.07:1 AA

    Background, text, graphic · .navigation-v2--mobile .navigation-v2 button.select-toggle.currency-selector-but, .button.button-product-recommender:before

  • Light Crimson

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    0 86 76 6
    On text
    4.57:1 AA
    On white
    4.23:1 AA large

    Text, background, border · .cmp-longform-body__content__sidebar__toc-menu .sub .menu-accordion .is-selected, .cmp-longform-body__content__sidebar__toc-menu .nav-item.is-selected a:before

  • Fire Brick

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    0 92 80 31
    On text
    2.73:1 Fail
    On white
    7.09:1 AAA

    Text, background, border · .message-box__richtext .title-super-text, .richtext .title-super-text

  • Light Steel Blue

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    19 11 0 3
    On text
    13.84:1 AAA
    On white
    1.40:1 Fail

    Background · .cmp-resourcelist__items__grid li:nth-child(16n-3) .color-matrix, .cmp-resourcelist__items__grid li:nth-child(16n-10) .color-matrix

  • Dark Blue

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    99 86 0 46
    On text
    1.35:1 Fail
    On white
    14.30:1 AAA

    Background · .cmp-resourcelist__items__grid li:nth-child(16n) .color-matrix, .cmp-resourcelist__items__grid li:nth-child(16n-7) .color-matrix

  • Indian Red

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    0 64 63 7
    On text
    5.57:1 AA
    On white
    3.48:1 AA large

    Background · .cmp-resourcelist__items__grid li:nth-child(16n-4) .color-matrix, .cmp-resourcelist__items__grid li:nth-child(16n-13) .color-matrix

  • Steel Blue

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    100 52 0 0
    On text
    4.82:1 AA
    On white
    4.02:1 AA large

    Background, text, border · .swiper-pagination-bullet-active, .swiper-button-next

  • Light Midnight Blue

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    61 39 0 70
    On text
    1.45:1 Fail
    On white
    13.38:1 AAA

    Background, graphic · .twilio-catalog-search .ais-SearchBox-input, .cmp-charts-container__header-select--dark

  • Deep Midnight Blue

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    54 43 0 79
    On text
    1.19:1 Fail
    On white
    16.27:1 AAA

    Background · .product-recommender-modal__overview, .product-recommender-modal__product-card

  • Pink

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    0 18 17 1
    On text
    13.85:1 AAA
    On white
    1.40:1 Fail

    Background · .cmp-resourcelist__items__grid li:nth-child(16n-1) .color-matrix, .cmp-resourcelist__items__grid li:nth-child(16n-15) .color-matrix

  • Dodger Blue

    HEX
    RGB
    HSL
    OKLCH
    CMYK
    99 46 0 2
    On text
    5.46:1 AA
    On white
    3.55:1 AA large

    Background · .cmp-resourcelist__items__grid li:nth-child(16n-2) .color-matrix, .cmp-resourcelist__items__grid li:nth-child(16n-9) .color-matrix

Gradients

  • linear-gradient(.6442deg,rgba(232,44,36,.2) 21.01%,rgba(1,12,32,.2) 83.846%,rgba(232,44,36,.2) 140.92%),linear-gradient(90deg,#000d25,#000d25)

  • radial-gradient(50% 50% at 50% 50%,rgb(219 19 42) 36.5%, 100%)

  • linear-gradient(0deg,rgba(0,13,37,.8),rgba(0,13,37,.8))

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Typography

Faces from Google Fonts are shown in the real thing. Others are licensed to the site, so they show in your device’s copy if you have one, or a stand-in if not.

Whitney SSm

Aa 300 Aa 900

Whitney SSm

Self-hosted · weights 300, 400, 500, 600, 700, 900 · headings, body · shown in a stand-in if you don’t have it

Aa 300 Aa 400

Twilio Sans Mono

Self-hosted · weights 300, 400 · shown in a stand-in if you don’t have it

Aa 800 Aa 900

Buffalo

Self-hosted · weights 800, 900 · shown in a stand-in if you don’t have it

ABCDEFGHIJKLMNOPQRSTUVWXYZ
abcdefghijklmnopqrstuvwxyz
0123456789 ! ? & @ % $ – ’ “ ”

Type scale

From the site’s CSS · root 10 px
Heading 1 3.2rem · 32 px / 4.4rem weight 700

Twilio

Heading 2 2.8rem · 28 px / 3.6rem weight 700

Conversational AI and APIs for SMS, Email, Voic…

Heading 3 2.4rem · 24 px / 3.2rem weight 700

Conversational AI and APIs for SMS, Email, Voic…

Heading 4 1.8rem · 18 px / 2.8rem weight 700

Conversational AI and APIs for SMS, Email, Voic…

Heading 5 1.6rem · 16 px / 2.4rem weight 700

Conversational AI and APIs for SMS, Email, Voic…

Heading 6 1.4rem · 14 px / 2rem weight 600

Conversational AI and APIs for SMS, Email, Voic…

Body weight 400

Build amazing customer experiences on the Twilio platform with APIs for SMS, RCS, voice, and email, plus conversational AI for smarter enga…

Paragraph / 1.9rem weight 400 · Whitney SSm

Build amazing customer experiences on the Twilio platform with APIs for SMS, RCS, voice, and email, plus conversational AI for smarter enga…

Small

Build amazing customer experiences on the Twilio platform with APIs for SMS, RCS, voice, and email, plus conversational AI for smarter enga…

Button weight 400

Get started

Link 1.2rem · 12 px / 1.8rem weight 400

Read more about Twilio

Sizes in use

Most common across the site
  • 48pxline 1 · 3 rules
  • 32pxline 4.4rem · 5 rules
  • 28pxline 3.6rem · 8 rules
  • 24pxline 3.2rem · 7 rules
  • 18pxline 2.8rem · 23 rules
  • 16pxline 2.4rem · 43 rules
  • 14pxline 2rem · 58 rules
  • 12pxline 1.8rem · 46 rules

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Elements

The main button and link as the site’s CSS draws them, and the corner radii and shadows it uses most.

Elements

Button

Get started

.button.hybrid .button-text .hybrid__icon · #DB132A · radius 100%

Corner radius

  • 0.4rem · 60×
  • 1rem · 55×
  • 50% · 48×
  • 2rem · 34×
  • 5rem · 10×

Shadows

  • 0 8px 24px 0 rgb(/0.1)
  • 0 .8rem 2.4rem rgba(18,28,45,.1)
  • 0 1rem 2.4rem rgb(/10%)
  • 0 3rem 6rem -2.4rem rgba(0,0,0,.1)

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Layout

Breakpoints from the site’s media queries and the widths its content is held to, with how often each appears.

Grid

Breakpoints

480
768
991
992
1280
1286
1344
1600

On a scale of 0 to 1600 px.

Content widths (max-width)

2240 px
1920 px
1280 px
960 px
800 px
480 px

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Notes

Plain checks on what was found. Worth fixing if you look after this site.

Notes

  • ● FineThe title is 57 characters, short enough to show in full in search results.
  • ▲ CheckThe description is 183 characters. Search results usually show about 160.

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Questions

Quick answers, from the same capture as the rest of this guide.

Questions

What font does Twilio use?
Twilio’s website uses three typefaces: Whitney SSm (headings and body text), self-hosted; Twilio Sans Mono, self-hosted; Buffalo, self-hosted.
What are Twilio’s brand colours?
The main colours on twilio.com are Black (#000D25), Deep Crimson (#DB132A), Light Crimson (#EF223A), Fire Brick (#B10F23), Light Steel Blue (#C7DCF7) and Dark Blue (#01148A).
What colour is Twilio’s text and background?
Body text is #000D25 on a #FFFFFF background.
Where is Twilio’s logo from?
The logo shown in this guide was found on twilio.com’s homepage. For official logo files and usage rules, check Twilio’s own brand or press page.
Is this Twilio’s official style guide?
No. SiteStyleGuide made it from twilio.com’s public web pages on 21 October 2026, and isn’t affiliated with Twilio. Members can refresh a guide after 90 days to pick up changes.

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Design tokens

Everything above as CSS variables, ready to paste into a project. Members can download the tokens as files for Figma (Tokens Studio), Style Dictionary and Tailwind.

Tokens

twilio-com-tokens.css

Download

Free with an account: sign up or sign in, and you’ll come straight back here.

/* twilio.com design tokens, from SiteStyleGuide (https://sitestyleguide.com/twilio.com) */
:root {
  /* Colours */
  --text: #000D25;
  --background: #FFFFFF;
  --colour-white: #FFFFFF;
  --colour-black: #000000;
  --colour-charcoal: #393939;
  --colour-cool-light-grey: #CACDD8;
  --colour-black-2: #000D25;
  --colour-deep-crimson: #DB132A;
  --colour-light-crimson: #EF223A;
  --colour-fire-brick: #B10F23;
  --colour-light-steel-blue: #C7DCF7;
  --colour-dark-blue: #01148A;
  --colour-indian-red: #EC5657;
  --colour-steel-blue: #007AFF;
  --colour-light-midnight-blue: #1E2F4D;
  --colour-deep-midnight-blue: #191F36;
  --colour-pink: #FDCFD1;
  --colour-dodger-blue: #0288FB;
  --gradient-1: linear-gradient(.6442deg,rgba(232,44,36,.2) 21.01%,rgba(1,12,32,.2) 83.846%,rgba(232,44,36,.2) 140.92%),linear-gradient(90deg,#000d25,#000d25);
  --gradient-2: radial-gradient(50% 50% at 50% 50%,rgb(219 19 42) 36.5%, 100%);
  --gradient-3: linear-gradient(0deg,rgba(0,13,37,.8),rgba(0,13,37,.8));

  /* Typefaces */
  --font-headings: 'Whitney SSm', 'helvetica', 'arial', sans-serif;
  --font-body: 'Whitney SSm', 'helvetica', 'arial', sans-serif;
  --font-other: 'Twilio Sans Mono', monospace;

  /* Type scale */
  --text-h1: 3.2rem;
  --leading-h1: 4.4rem;
  --text-h2: 2.8rem;
  --leading-h2: 3.6rem;
  --text-h3: 2.4rem;
  --leading-h3: 3.2rem;
  --text-h4: 1.8rem;
  --leading-h4: 2.8rem;
  --text-h5: 1.6rem;
  --leading-h5: 2.4rem;
  --text-h6: 1.4rem;
  --leading-h6: 2rem;
  --text-a: 1.2rem;
  --leading-a: 1.8rem;

  /* Shape */
  --radius-1: 0.4rem;
  --radius-2: 1rem;
  --radius-3: 50%;
  --radius-4: 2rem;
  --radius-5: 5rem;

  /* Layout (breakpoints can’t be used in media queries as variables; they’re here for reference) */
  --breakpoint-1: 480px;
  --breakpoint-2: 768px;
  --breakpoint-3: 991px;
  --breakpoint-4: 992px;
  --breakpoint-5: 1280px;
  --breakpoint-6: 1286px;
  --breakpoint-7: 1344px;
  --breakpoint-8: 1600px;
  --max-width-1: 2240px;
  --max-width-2: 1920px;
  --max-width-3: 1280px;
  --max-width-4: 960px;
  --max-width-5: 800px;
  --max-width-6: 480px;
}

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View our style guide on SiteStyleGuide 
<a href="https://sitestyleguide.com/twilio.com" title="Twilio style guide on SiteStyleGuide"><img src="https://sitestyleguide.com/public/badge.svg" alt="View our style guide on SiteStyleGuide" width="200" height="44"></a>

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Also set in Whitney SSm

Other websites using Whitney SSm as their main typeface

Similar colours

Websites whose lead colour is closest to Twilio’s

Captured from twilio.com on 21 October 2026. SiteStyleGuide isn’t affiliated with or endorsed by Twilio; this guide describes the public website for reference.