Color #213C37

This color has no name

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Information about #213C37 color

#213C37 color image

Basic facts about this digital color

In the Register's classification, #213C37 belongs to the Cyan Color Family, featuring Mild Saturation and Dark brightness. In numbers: rgb(33, 60, 55) (12.9% red, 23.5% green, 21.6% blue), or CMYK 11 / 0 / 2 / 76 for print. New to color codes? See our guide to RGB color codes.

A softly balanced cyan, #213C37 leans clearly toward the dark side. Designers typically reach for tones like this for dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is practically indistinguishable from Goryeo Storeroom (#203838). Its next-closest registered neighbors are Nordic (#1D393C) and Dark Slate Grey (#25383C).

Technically, the mix leans on its green channel (rgb(33, 60, 55)), which gives #213C37 its character. Accessibility-wise, white text works best on #213C37: 11.9:1 contrast (passing WCAG AAA) versus 1.8:1 for black. For print, note the heavy black component (K:76) — ink coverage matters with tones this deep. Out of 16,777,216 possible colors, #213C37 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#213C37 color variations

View this color variations of tints, shades, tones and hues.

#213C37 color tints

Tints look brighter, pastel, and less intense.

#213C37

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#3E7167

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#5DA598

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#93C3BA

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#C9E1DC

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White

#213C37 color shades

Shades look darker, richer, and more solid.

#213C37

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#1A2F2B

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#132320

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#0D1715

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#060B0A

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Black

#213C37 color tones

Tones looks more sophisticated and complex than base colors.

#213C37

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#2F4C47

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#405C57

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#536965

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#687573

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Grey

#213C37 color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.

#21203B

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#202A3B

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#20353B

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#213C37

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#203B2B

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#203B21

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#2A3B20

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#213C37 color harmonies

Color harmonies are pleasing color schemes created according to their position on a color wheel.

Complementary

Complementary color schemes are made by picking two opposite colors con the color wheel. They appear vibrant near to each other.

Complementary color schemes

#213C37

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#3B2125

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Split complementary

Split complementary schemes are like complementary but they uses two adiacent colors of the complement. They are more flexible than complementary ones.

Split complementary color scheme

#213C37

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#3B2921

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#3B2133

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Analogous

Analogous color schemes are made by picking three colors that are next to each other on the color wheel. They are perceived as calm and serene.

Analogous color scheme

#21333B

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#213C37

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#213B29

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Triadic

Triadic color schemes are created by picking three colors equally spaced on the color wheel. They appear quite contrasted and multicolored.

Triadic color scheme

#213C37

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#36213B

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#3B3621

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Tetradic

Tetradic color schemes are made form two couples of complementary colors in a rectangular shape on the color wheel.

Tetradic color scheme

#213C37

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#21253B

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#3B2125

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#3B3621

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Square

Square color schemes are like tetradic arranged in a square instead of rectangle. Colors appear even more contrasting.

Square color scheme

#213C37

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#29213B

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#3B2125

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#333B21

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Alternatives to #213C37 color

View adjacent and very similar colors.

#213B30

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#213B31

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#213B32

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#213B34

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#213B35

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#213B36

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#213B38

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#213B39

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#213B3A

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#213B3B

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#21393B

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#21383B

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#273432

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#263633

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#253734

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#233835

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#223A35

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#1F3D37

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#1E3E38

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#1C3F39

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#1B413A

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#1A423B

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#18433C

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#182B27

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#192E2A

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#1B312D

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#1D3530

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#1F3833

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#223F39

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#24423C

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#26453F

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#284842

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#2A4C45

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#2B4F48

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[<<< 1 COLOR BACKWARD] #213C36

Color has no name

#213C38 [1 COLOR FORWARD >>>]

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Nearest named colors to #213C37

The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.

Goryeo Storeroom

#203838

Nordic

#1D393C

Dark Slate Grey

#25383C

English Holly

#274234

Everglade

#264334

Tile Green

#26433A

Tiki Tour

#234040

Earthsong

#2A3E33

Nikau

#2A4032

Elephant

#243640

Iron Storage

#2B3736

Palm Green

#20392C

#213C37 color backgrounds & wallpapers

Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.

#213C37 color image

#213C37 color ORCN HD wallpaper 3840x2160 (Desktop)

#213C37 color image

#213C37 color ORCN HD wallpaper 1170x2532 (Mobile)

#213C37 color image

#213C37 color solid HD wallpaper 3840x2160 (Desktop)

#213C37 color image

#213C37 color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

HEX#213C37
RGB33, 60, 55
CMYK11, 0, 2, 76
CSSrgb(33, 60, 55)

HSL169°, 29%, 18%
HSL Precise168.889°, 29.032%, 18.235%
HSV169°, 45%, 24%
HSB169°, 45%, 24%

Normalized R (0.0–1.0)0.129
Normalized G (0.0–1.0)0.235
Normalized B (0.0–1.0)0.216

GLSLvec3(0.129, 0.235, 0.216)
GLSL with alphavec4(0.129, 0.235, 0.216, 1.000)
HLSL / Metalfloat3(0.129, 0.235, 0.216)

Percentage of Red in RGB12.9%
Percentage of Green in RGB23.5%
Percentage of Blue in RGB21.6%

Color FamilyCyan
Saturation FamilyMild Saturation
Lightness FamilyDark

HEX ID213C37
DECIMAL ID2178103
Name LengthThis color has no name

Seen by search & AI crawlers22 times
Counting from2025-01-01

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ORCN is an independent private organisation that maintains a public register — not a governmental institution or an international standards organisation — in which a name is linked to a specific digital colour code. Registration gives the registrant the exclusive right, within the ORCN register, to have that name recorded against that colour code.

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