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TT-028 · univ-cobalt

Cobalt STEM

코발트 이공 · University Textbooks

Cobalt and sky blue with crisp sans serifs. A STEM textbook full of equations and diagrams.

View sample PDF (free) PDF 1.3 MBBuy this style pack $24Family bundle: University Textbooks $79

Previews come from the same sample manuscript (“[Example] Fundamentals of Data Science”) built in this style.

Type specimen
Type specimen

About this style

FamilyUniversity Textbooks — Undergraduate and graduate texts. Serif body, restrained color, built for long reading.
Best forFoundational STEM: calculus, physics, chemistry
Use casesUniversity course books
MoodProfessional
Formality · Age groupFormal · University

Color palette

  • accent#1C4FD8
  • accent 2#00B4D8
  • tint#E8EDFB
  • paper#F0FAFD
  • ink#161616
  • body text#2B2B2B
  • muted text#5E5E5E
  • rule#C2CCE5
  • dark surface#151B29
  • warning#B42318

Fonts

FontRoleLicense
RubikBodySIL Open Font License 1.1
MontserratHeadingsSIL Open Font License 1.1
InterLabels & chapter labels, Chapter numbers & foliosSIL Open Font License 1.1
JetBrains MonoCodeSIL Open Font License 1.1
PretendardFallbackSIL Open Font License 1.1
IBM Plex SerifMath variables (italic)SIL Open Font License 1.1

Building blocks

Chapter openerBig number
Element boxesIndex tab
TablesFull grid
Running headDash folio
CoverWhite cover

Format and build checks

188 × 257 mm · type area 146 × 209 mm · body 9.5pt/16pt
Margins top 22 · bottom 26 · inside 24 · outside 18 mm

All build checks passedMin. contrast 5.17:1TOC 20/20Overflow: 0Fonts embedded · OFL ✓Print preflight ✓

Textbook pack (English edition)

A new-book pack (.zip) in this style: theme CSS, fonts (OFL), build and check tools, an example chapter, an empty chapter skeleton and a sample PDF. 188 × 257 mm, PDF/X-4 and CMYK for offset print.

Pack size 9.8 MB · version 2026.10.08

Buy this style pack $24Family bundle: University Textbooks $79Korean edition of this style

KDP products in this style

No KDP product uses this style yet. Styles with the most requests get products first.

Start a new book in this style (free form)

  1. Get the textbook pack and unzip it → folder book-univ-cobalt-en.
  2. Fill in the form and select Download files (.zip). A custom book.json and one skeleton file per chapter are generated in this browser (nothing is uploaded, free).
  3. Unzip the download over the pack folder, then run build.bat (or ./build.sh).
Preview book.json

  



More styles in this family
University Textbooks →