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)
Permalink
https://www.perbang.dk/rgb/181b21/
Gradient
#181b21 to complementary #e7e4de
Complementary RGB
RGB #e7e4de - Light gambogeish gray

Color conversions matching RGB #181b21

Bang V2

 
 
97.8%
414 Very dark azure
 
 
97.6%
472 Bluish black
 
 
96.0%
585 Magentaish black
 
 
95.5%
359 Cyanish black
 
 
95.0%
20 Reddish brownish black
 
 
95.0%
473 Very dark blue
 
 
94.0%
415 Very deep azure
 
 
93.5%
133 Yellowish black

British Standard BS4800

 
 
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

 
 
95.8%
Grayscale 10%
 
 
94.5%
Grayscale 15%
 
 
94.3%
Grayscale 5%

Munsell

 
 
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

Natural Color System (NCS)

 
 
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

 
 
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

 
 
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)

 
 
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

 
 
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

 
 
97.2%
Chimney Sweep
 
 
96.8%
Daytona
 
 
96.5%
Black Russian
 
 
95.9%
Shadowland
 
 
95.7%
All Black

Websafe

 
 
92.8%
Websafe 000000
 
 
91.3%
Websafe 333333
 
 
83.7%
Websafe 000033
 
 
83.4%
Websafe 003333
 
 
82.6%
Websafe 003366

X11 Colors

 
 
95.8%
gray10
 
 
95.8%
grey10
 
 
95.8%
gray11
 
 
95.8%
grey11
 
 
95.6%
gray9

Other

 
 
94.9%
Wikipedia
 
 
83.7%
Royal Danish Navy
 
 
83.0%
DMR A/S Blå (blue)
Important: Colors are presented as a result of mathematical calculations. Conversions may be inaccurate/approximate/useless. Always consult a professional and/or other publications before utilization. Beware colors can appear very different on different screens/phones/tablets, printers, projectors and other devices.

Color harmonies based on RGB #181b21

Monochromadic Color Scheme

Analogus Color Scheme

22.5°
45°
67.5°
90°
112.5°
135°
157.5°

Double Complementary (tetradic)

22.5°
45°
67.5°
90°
112.5°
135°
157.5°

Complementary Color Scheme

Split Complementary Color Scheme

15°
30°
45°
60°
75°

Triadic (120° Analogus) Color Scheme

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