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Free for Commercial Use

Slab Square Siky 4 is a bold, normal width, monoline, upright, normal x-height font.

Keywords: headlines, posters, branding, packaging, editorial, sturdy, classic, confident, collegiate, impact, authority, readability, heritage, blocky, high-contrast presence, crisp serifs, compact curves, firm brackets.


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A robust slab-serif with heavy, squared serifs and a largely even stroke color that reads as strong and steady. The letterforms are compact and well-contained, with broad vertical stems, generous counters, and rounded bowls that are kept tight by firm, flat terminals. Serifs are prominent and mostly rectangular, giving strokes a chiseled, architectural finish; joins and curves stay controlled rather than calligraphic. Figures follow the same sturdy construction, with simplified shapes and wide bases that reinforce the font’s grounded texture.

Best suited to headlines, display copy, and branding where a strong, dependable voice is needed. It can also work for editorial pull quotes and packaging labels, especially when you want a classic slab-serif feel with clear, high-impact letterforms.

The overall tone is authoritative and traditional, with a no-nonsense, workhorse presence. Its heavy slabs and compact proportions evoke academic and institutional lettering, while the clean, squared finishing adds a straightforward, utilitarian confidence.

The design appears intended to deliver a sturdy slab-serif voice with emphatic serifs and a compact, readable structure. Its consistent weight and squared terminals prioritize visual authority and durability across prominent sizes.

In text settings the rhythm is dense and emphatic, producing a dark, consistent typographic color that holds attention in headlines and short passages. The uppercase has a particularly strong poster-like impact, while lowercase maintains clarity through open counters and distinct silhouettes.

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
`
´
¯
¨
¸