What font does Calculatio use?

Calculatio’s website uses two typefaces: Inter (headings and body text), self-hosted; calculatio, self-hosted.

What are Calculatio’s brand colours?

The main colours on calculat.io are Deep Sky Blue (#2CA5E0), Royal Blue (#3E68C0), Medium Purple (#9D62CC), White (#FFFFFF) and Black (#000000).

What colour is Calculatio’s text and background?

Body text is #000000 on a #FFFFFF background.

Where is Calculatio’s logo from?

The logo shown in this guide was found on calculat.io’s homepage. For official logo files and usage rules, check Calculatio’s own brand or press page.

Is this Calculatio’s official style guide?

No. SiteStyleGuide made it from calculat.io’s public web pages on 30 October 2026, and isn’t affiliated with Calculatio. Members can refresh a guide after 90 days to pick up changes.

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

Unofficial style guide

Calculatiostyle guide

Calculatio’s website (calculat.io) uses Inter for its headings and body text. Its palette is led by Deep Sky Blue (#2CA5E0), Royal Blue (#3E68C0) and Medium Purple (#9D62CC), with #000000 text on #FFFFFF. Captured from the live site on 30 October 2026.

Website: calculat.io
Typefaces: Inter, Cascadia Code, calculatio
Palette: 2 neutrals, 3 colours, 3 gradients
Captured: 30 Oct 2026 · added by @sitestyleguide

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Screenshot of the calculat.io homepage on a desktop screen — Screenshot of calculat.io on a 1440 px desktop screen, 30 Oct 2026.

Screenshot of the calculat.io homepage on a phone — On a phone, 390 px.

Identity & metadata

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

Title &
description

Page title: Calculatio - Free Online Calculators in 4 Languages; ● 51 / 60 characters
Meta description: Free online calculators and converters: dates, units, percentages, BMI, money and more — in English, Russian, Spanish and Portuguese. Pick your language.; ● 153 / 160 characters
og:title: Calculatio - Free Online Calculators in 4 Languages
og:description: Free online calculators and converters: dates, units, percentages, BMI, money and more — in English, Russian, Spanish and Portuguese. Pick your language.
Language: en
Theme colour: #ffffff

In search results

Calculatiohttps://calculat.io/

Calculatio - Free Online Calculators in 4 Languages

Free online calculators and converters: dates, units, percentages, BMI, money and more — in English, Russian, Spanish and Portuguese. Pick your language.

When shared

calculat.io

Calculatio - Free Online Calculators in 4 Languages

Free online calculators and converters: dates, units, percentages, BMI, money and more — in English, Russian,…

Logo & favicons

Found as: image in the header. SVG, 2000 × 235.

Logo

On white

On black

On Deep Sky Blue

Favicons

8 found

384 px · PNG manifest
256 px · PNG manifest
192 px · PNG manifest
128 px · SVG mask-icon
120 px · PNG apple-touch-icon
64 px · PNG icon
64 px · SVG icon
32 px · PNG icon

Calculatio - Free Online Calculators in 4 Languages

Light browser tab

Calculatio - Free Online Calculators in 4 Languages

Dark browser tab

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 (#000000) and white, using WCAG 2 ratios: 4.5 for body text, 3 for large text.

Colour

Balance

How much each colour is used

White 77.8%
Black 12.3%
Deep Sky Blue 3.3%
Royal Blue 3.3%
Medium Purple 3.3%

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
21.00:1 AAA

On white
—

Text, background, theme · .button, .button.is-success
Black

HEX

RGB

HSL

OKLCH

CMYK
0 0 0 100

On text
—

On white
21.00:1 AAA

Border, background · .bg-black\/10, --color-black

Colours

Brand colours and accents, most used first

Deep Sky Blue

HEX

RGB

HSL

OKLCH

CMYK
80 26 0 12

On text
7.57:1 AAA

On white
2.78:1 Fail

Background · .bg-\[\#2ca5e0\]
Royal Blue

HEX

RGB

HSL

OKLCH

CMYK
68 46 0 25

On text
3.95:1 AA large

On white
5.32:1 AA

Background · .bg-\[\#3e68c0\]
Medium Purple

HEX

RGB

HSL

OKLCH

CMYK
23 52 0 20

On text
5.05:1 AA

On white
4.16:1 AA large

Background · .bg-\[\#9d62cc\]

Gradients

linear-gradient(initial)
linear-gradient(135deg,oklch(63% .22 25) 0 2px,oklch(88% .06 25) 2px 4px)
linear-gradient(135deg,oklch(30% .025 260),oklch(22% .02 260))

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.

Inter

Aa 100 Aa 900

Inter

Self-hosted · weights 100, 900 · body · shown in a stand-in if you don’t have it

Aa 600

Cascadia Code

System font, or not loaded on this page · weights 600 · shown in a stand-in if you don’t have it

Aa 400

calculatio

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

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

Type scale

From the site’s CSS

Heading 2 1.75em · 28 px weight 600

Calculatio - Free Online Calculators in 4 Langu…

Heading 3 1.5em · 24 px weight 600

Calculatio - Free Online Calculators in 4 Langu…

Small 80%

Free online calculators and converters: dates, units, percentages, BMI, money and more — in English, Russian, Spanish and Portuguese. Pick …

Sizes in use

Most common across the site

20pxline 1 · 4 rules
18pxline initial · 4 rules
16pxline 1.2 · 4 rules
15pxline 1.6 · 5 rules
14pxline 1.6 · 11 rules
12pxline initial · 5 rules
11px4 rules
10pxline 1 · 3 rules

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 · #FFFFFF · radius .375rem

Corner radius

.5rem · 11×
.375rem · 6×
.25rem · 3×
9999px · 1×
.125rem · 1×
3.40282e38px · 1×

Shadows

0 0 #0000,0 0 #0000,0 0 #0000,0 0 #0000,0 0 #0000
0 1px 3px #3b82f64d
0 1px 3px #00000014

Layout

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

Grid

Breakpoints

640

767

768

770

1024

1280

1536

On a scale of 0 to 1536 px.

Content widths (max-width)

1280 px

1024 px

768 px

720 px

640 px

450 px

Notes

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

Notes

● FineThe title is 51 characters, short enough to show in full in search results.

Questions

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

Questions

What font does Calculatio use?: Calculatio’s website uses two typefaces: Inter (headings and body text), self-hosted; calculatio, self-hosted.
What are Calculatio’s brand colours?: The main colours on calculat.io are Deep Sky Blue (#2CA5E0), Royal Blue (#3E68C0), Medium Purple (#9D62CC), White (#FFFFFF) and Black (#000000).
What colour is Calculatio’s text and background?: Body text is #000000 on a #FFFFFF background.
Where is Calculatio’s logo from?: The logo shown in this guide was found on calculat.io’s homepage. For official logo files and usage rules, check Calculatio’s own brand or press page.
Is this Calculatio’s official style guide?: No. SiteStyleGuide made it from calculat.io’s public web pages on 30 October 2026, and isn’t affiliated with Calculatio. Members can refresh a guide after 90 days to pick up changes.

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

calculat-io-tokens.css

Download

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

/* calculat.io design tokens, from SiteStyleGuide (https://sitestyleguide.com/calculat.io) */
:root {
  /* Colours */
  --text: #000000;
  --background: #FFFFFF;
  --colour-white: #FFFFFF;
  --colour-black: #000000;
  --colour-deep-sky-blue: #2CA5E0;
  --colour-royal-blue: #3E68C0;
  --colour-medium-purple: #9D62CC;
  --gradient-1: linear-gradient(initial);
  --gradient-2: linear-gradient(135deg,oklch(63% .22 25) 0 2px,oklch(88% .06 25) 2px 4px);
  --gradient-3: linear-gradient(135deg,oklch(30% .025 260),oklch(22% .02 260));

  /* Typefaces */
  --font-body: 'Inter', ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-other: ui-monospace, 'Cascadia Code', 'SFMono-Regular', 'Menlo', 'Monaco', 'Consolas';

  /* Type scale */
  --text-h2: 1.75em;
  --text-h3: 1.5em;
  --text-small: 80%;

  /* Shape */
  --radius-1: .5rem;
  --radius-2: .375rem;
  --radius-3: .25rem;
  --radius-4: 9999px;
  --radius-5: .125rem;
  --radius-6: 3.40282e38px;

  /* Layout (breakpoints can’t be used in media queries as variables; they’re here for reference) */
  --breakpoint-1: 640px;
  --breakpoint-2: 767px;
  --breakpoint-3: 768px;
  --breakpoint-4: 770px;
  --breakpoint-5: 1024px;
  --breakpoint-6: 1280px;
  --breakpoint-7: 1536px;
  --max-width-1: 1280px;
  --max-width-2: 1024px;
  --max-width-3: 768px;
  --max-width-4: 720px;
  --max-width-5: 640px;
  --max-width-6: 450px;
}

{
    "site": "calculat.io",
    "source": "https://sitestyleguide.com/calculat.io",
    "text": "#000000",
    "background": "#FFFFFF",
    "colours": [
        {
            "name": "White",
            "hex": "#FFFFFF",
            "rgb": [
                255,
                255,
                255
            ]
        },
        {
            "name": "Black",
            "hex": "#000000",
            "rgb": [
                0,
                0,
                0
            ]
        },
        {
            "name": "Deep Sky Blue",
            "hex": "#2CA5E0",
            "rgb": [
                44,
                165,
                224
            ]
        },
        {
            "name": "Royal Blue",
            "hex": "#3E68C0",
            "rgb": [
                62,
                104,
                192
            ]
        },
        {
            "name": "Medium Purple",
            "hex": "#9D62CC",
            "rgb": [
                157,
                98,
                204
            ]
        }
    ],
    "fonts": [
        {
            "name": "Inter",
            "stack": "\"Inter\", ui-sans-serif, system-ui, -apple-system, sans-serif",
            "weights": [
                100,
                900
            ],
            "source": "Self-hosted"
        },
        {
            "name": "Cascadia Code",
            "stack": "ui-monospace, \"Cascadia Code\", \"SFMono-Regular\", Menlo, Monaco, Consolas, monospace",
            "weights": [
                600
            ],
            "source": "System font, or not loaded on this page"
        },
        {
            "name": "calculatio",
            "stack": "calculatio",
            "weights": [
                400
            ],
            "source": "Self-hosted"
        }
    ]
}

Other websites using Inter as their main typeface

ITFixio

itfixio.co.uk · set in Inter
Save1
IGN

ign.com · set in Inter
Save
Deezer

deezer.com · set in Inter
Save
AI-Native Cloud

digitalocean.com · set in Inter
Save

Websites whose lead colour is closest to Calculatio’s

آپارات

aparat.com · 1 day ago
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Weather Underground

wunderground.com · 5 days ago
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Automattic

automattic.com · 1 day ago
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Sketchfab

sketchfab.com · 4 days ago
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Captured from calculat.io on 30 October 2026. SiteStyleGuide isn’t affiliated with or endorsed by Calculatio; this guide describes the public website for reference.

Calculatiostyle guide

Title &description

Logo

Favicons

Colour

Balance

Neutrals

White

Black

Colours

Deep Sky Blue

Royal Blue

Medium Purple

Gradients

Inter

Type scale

Sizes in use

Elements

Grid

Notes

Questions

Tokens

Share

Run calculat.io?

Also set in Inter

ITFixio

IGN

Deezer

AI-Native Cloud

Similar colours

آپارات

Weather Underground

Automattic

Sketchfab

Title &
description