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Slab Square Otto 4 is a regular weight, narrow, low contrast, upright, normal x-height font.

Keywords: editorial, headlines, signage, packaging, branding, reliable, practical, serious, institutional, classic, clarity, robustness, readability, stability, utility, sturdy, crisp, structured, workmanlike, steady rhythm.


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A serifed design with pronounced square slab serifs and low stroke contrast, creating a solid, even texture. Proportions run relatively compact with a steady rhythm and clear, straightforward letterforms. Curves are smooth but controlled, and many joins and terminals resolve into crisp, flat-ended details that read cleanly at text and display sizes.

Well-suited for editorial typography, captions, and general text where a sturdy serif texture is desired. It also fits signage, packaging, and branding that want a reliable, heritage-leaning feel without ornate detailing. The strong slabs and even strokes make it a good candidate for headings and short blocks of copy where clarity and authority matter.

This face projects a sturdy, workmanlike confidence with a slightly academic, old-style calm. The slab serifs add a sense of firmness and reliability, while the restrained contrast keeps the tone practical rather than decorative.

The design appears intended to deliver dependable readability with a firm, grounded voice. Its slab serifs and low-contrast construction emphasize stability and consistent color, aiming for clear communication in situations that benefit from a no-nonsense, trustworthy typographic presence.

Figures appear straightforward and sturdy, matching the overall slab-serif tone, and the uppercase has a confident, measured presence. Spacing and structure suggest a consistent, utilitarian approach rather than a highly stylized or calligraphic one.

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
`
´
¯
¨
¸