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Slab Square Otka 3 is a regular weight, normal width, low contrast, upright, normal x-height font.

Keywords: body text, editorial, textbooks, reports, branding, trustworthy, classic, academic, bookish, readability, durability, utility, clarity, slab serif, bracketed serifs, square terminals, sturdy, crisp.


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A sturdy slab-serif with broad, square-ended serifs and mostly low-contrast strokes. The letterforms are upright and evenly built, with generous inner counters and a calm, steady rhythm in text. Serifs read as bold and supportive, often lightly bracketed into the stems, giving joins a firm but not overly sharp feel. Curves (C, O, S) are smooth and open, while verticals and horizontals maintain a consistent, robust presence; overall spacing appears comfortable and geared toward continuous reading.

Well-suited for body text in editorial layouts, books, and instructional materials where a sturdy serif improves structure and scanning. It can also serve in headlines or branding that needs a dependable, heritage-leaning voice without high contrast or delicate details.

The font conveys a grounded, authoritative tone—practical rather than ornamental. Its slab structure suggests reliability and clarity, with a subtly traditional, editorial character that feels at home in serious or informational contexts.

The design appears intended as a workhorse slab serif: solid serifs, straightforward proportions, and restrained detailing aimed at clarity and consistency in extended reading. Its emphasis is on dependable typographic color and legible forms rather than expressive quirks.

Numerals appear clear and conventional, with stable baselines and consistent weight. The lowercase shows straightforward, readable construction (notably a single-storey g and a simple, upright a), supporting an uncluttered page texture. In the sample text, the face holds together well at larger reading sizes, keeping word shapes distinct without appearing brittle.

Letter — Basic Uppercase Latin
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
Letter — Basic Lowercase Latin
a
b
c
d
e
f
g
h
i
j
k
l
m
n
o
p
q
r
s
t
u
v
w
x
y
z
Number — Decimal Digit
0
1
2
3
4
5
6
7
8
9
Letter — Extended Uppercase Latin
À
Á
Â
Ã
Ä
Å
Æ
Ç
È
É
Ê
Ë
Ì
Í
Î
Ï
Ñ
Ò
Ó
Ô
Õ
Ö
Ø
Ù
Ú
Û
Ü
Ý
Ć
Č
Đ
Ė
Ę
Ě
Ğ
Į
İ
Ľ
Ł
Ń
Ő
Œ
Ś
Ş
Š
Ū
Ű
Ų
Ŵ
Ŷ
Ÿ
Ź
Ž
Letter — Extended Lowercase Latin
ß
à
á
â
ã
ä
å
æ
ç
è
é
ê
ë
ì
í
î
ï
ñ
ò
ó
ô
õ
ö
ø
ù
ú
û
ü
ý
ÿ
ć
č
đ
ė
ę
ě
ğ
į
ı
ľ
ł
ń
ő
œ
ś
ş
š
ū
ű
ų
ŵ
ŷ
ź
ž
Letter — Superscript Latin
ª
º
Number — Superscript
¹
²
³
Number — Fraction
½
¼
¾
Punctuation
!
#
*
,
.
/
:
;
?
\
¡
·
¿
Punctuation — Quote
"
'
«
»
Punctuation — Parenthesis
(
)
[
]
{
}
Punctuation — Dash
-
_
Symbol
&
@
|
¦
§
©
®
°
Symbol — Currency
$
¢
£
¤
¥
Symbol — Math
%
+
<
=
>
~
¬
±
^
µ
×
÷
Diacritics
`
´
¯
¨
¸