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Free for Commercial Use

Slab Square Siba 11 is a bold, normal width, low contrast, upright, normal x-height font visually similar to 'Decour Soft' by Latinotype, 'Postulat' and 'Postulat Pro' by ParaType, 'Hexi' by Sign Studio, and 'Coltan Gea' by deFharo (names referenced only for comparison).

Keywords: headlines, posters, packaging, branding, signage, sturdy, industrial, editorial, no-nonsense, retro, impact, readability, classic slab feel, print texture, bracketed, blocky, robust, compact, ink-trap feel.


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A robust slab serif with heavy, rectangular serifs and generally low stroke modulation. The letterforms are compact and grounded, with broad shoulders, firm verticals, and subtly bracketed joins that keep the slabs from feeling overly mechanical. Counters are moderate and slightly tight, emphasizing dark color on the page; curves (C, O, S) are smoothly rounded but terminate in decisive, squared-off serif structures. Lowercase shows a single-storey g with a closed bowl and a strong ear, plus a sturdy, boxy rhythm in n, m, and u; numerals are wide and weighty with clear, squared terminals.

This style suits headlines, posters, signage, and packaging where a strong typographic voice is needed. It also works well for branding systems that want a traditional slab-serif backbone, and for editorial display settings such as section openers, pull quotes, and short blocks of emphasis text.

The overall tone is confident and workmanlike, with an industrial and editorial presence reminiscent of traditional display slabs and printed ephemera. Its dense color and blunt finishing give it a vintage, poster-ready authority while remaining straightforward and highly legible at larger sizes.

The design appears intended to deliver a classic slab-serif impact with a compact, print-forward texture, balancing sturdy rectangular serifs with slightly softened joins for readability. It aims for dependable clarity and a vintage display feel without ornate detailing.

Spacing appears generous enough for display settings, but the heavy weight and relatively tight inner spaces can build strong texture in paragraphs. The ampersand and punctuation inherit the same blocky, slab-driven construction, keeping the set visually consistent in mixed-case text.

120px
108px
96px
84px
72px
64px
56px
48px
44px
40px
36px
32px
30px
28px
26px
24px
22px
20px
19px
18px
17px
16px
15px
14px
13px
12px
11px
10px
9px
8px
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
`
´
¯
¨
¸