Color information for RGB #181b21
Name
RGB #181b21
Description
Cobalt bluish black
RGB HEX
#181b21
ARGB HEX
#ff181b21
RGB 0-255
rgb(24, 27, 33)
RGBA 0-255
rgba(24, 27, 33, 1)
HSV
hsv(220.0, 27.3, 12.9)
HSL
hsl(220.0, 15.8, 11.2)
CMYK, %
cmyk(27.3, 18.2, 0.0, 87.1)
CIE-L*ab
cielab(9.7, 0.3, -4.6)
XYZ
xyz(1.0, 1.1, 1.6)
Complementary RGB
Gradient
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Color conversions matching RGB #181b21
Bang-v3 - [3D]
97.8%
Very dark azure (Bang-v3 430)
97.6%
Bluish black (Bang-v3 488)
96.0%
Magentaish black (Bang-v3 601)
95.5%
Cyanish black (Bang-v3 375)
95.3%
Near-Black Gray / 87% black (Bang-v3 14)
95.0%
Reddish brownish black (Bang-v3 36)
95.0%
Very dark blue (Bang-v3 489)
94.9%
Almost Black / 93% black (Bang-v3 15)
British Standard BS4800 - [3D]
88.0%
BS4800 18 B 29 Raven
87.9%
BS4800 20 C 40 Duchess Blue
84.4%
BS4800 08 B 29 Bitter Chocolate
83.9%
BS4800 14 C 40 Moss Green
82.5%
BS4800 10 B 29 Vandyke Brown
British Standard BS381C
94.0%
BS381 642 Night
89.5%
BS381 106 Royal Blue
87.5%
BS381 633 RAF Blue/Grey
84.4%
BS381 105 Oxford Blue
84.3%
BS381 444 Terracotta
Federal Standard 595 (FED-STD-595)
96.2%
FS 37031 Black Gray
94.8%
FS 15050 'Blue Angels' Blue
93.2%
FS 27038 Black
93.2%
FS 37038 Black
92.6%
FS 15042 Sea Blue
Grayscale
Munsell - [3D]
94.8%
Munsell 10B 1/2
94.7%
Munsell 7.5B 1/2
94.5%
Munsell 2.5PB 1/2
93.7%
Munsell 5B 1/2
93.7%
Munsell 5PB 1/2
ISCC–NBS - [3D]
96.7%
193 Bluish Black
95.5%
235 Purplish Black
95.4%
188 Blackish Blue
95.3%
267 Black
93.3%
157 Greenish Black
92.7%
24 Reddish Black
Natural Color System (NCS) - [3D]
98.0%
NCS S 8005-R50B
97.1%
NCS S 8005-R80B
96.9%
NCS S 8010-R70B
95.7%
NCS S 8502-B
95.1%
NCS S 8505-R80B
Pantone Matching System (PMS) Coated - [3D]
97.3%
Pantone Black 6 C
96.6%
Pantone 532 C
96.2%
Pantone 433 C
96.1%
Pantone 7547 C
95.8%
Pantone Neutral Black C
Pantone Matching System (PMS) Uncoated - [3D]
84.0%
Pantone 5395 U
83.4%
Pantone Black 6 U
83.3%
Pantone 5463 U
83.0%
Pantone 546 U
82.5%
Pantone 296 U
Pantone Textile Paper eXtended (TPX) - [3D]
93.4%
19-4007 TPX Anthracite
93.4%
19-4006 TPX Caviar
92.8%
19-4005 TPX Stretch Limo
92.4%
19-4203 TPX Moonless Night
91.7%
19-4015 TPX Blue Graphite
RAL Classic - [3D]
88.6%
RAL 8022 Black brown
88.6%
RAL 5004 Black blue
88.5%
RAL 9005 Jet black
88.2%
RAL 9011 Graphite black
87.3%
RAL 9017 Traffic black
Resene - [3D]
Websafe - [3D]
X11 Colors - [3D]
Oracal Vinyl Colors
97.3%
ORACAL 704 black metallic
95.6%
ORACAL 070 black
94.8%
ORACAL 532 black blue
93.4%
ORACAL 190 moonlight metallic
92.4%
ORACAL 571 mystic blue
91.2%
ORACAL 093 anthracite metallic
89.6%
ORACAL 191 green-blue metallic
89.3%
ORACAL 562 deep sea blue
Other
Important: Color values are derived from mathematical conversions. These conversions may be inaccurate, approximate, or unsuitable for practical use. Always consult a professional and/or authoritative references before applying them. Be aware that colors can appear very different across screens, phones, tablets, printers, projectors, and other devices.
Color harmonies based on RGB #181b21
Monochromadic Color Scheme
Analogus Color Scheme
Double Complementary (tetradic)
Complementary Color Scheme
Split Complementary Color Scheme
Triadic (120° Analogus) Color Scheme
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