Information about #21215C color

#21215C color image

Basic facts about this digital color

#21215C falls into the Blue Color Family — Moderate Saturation, Dark brightness. Its exact recipe is rgb(33, 33, 92) — 12.9% red, 12.9% green, 36.1% blue — and for print it converts to CMYK 23 / 23 / 0 / 64. Curious how these numbers work? Read our RGB color codes guide.

#21215C is a clearly saturated deep-sea blue that stays on the darker end of the scale. It is a natural fit for dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is practically indistinguishable from Blast Off (#262857). Slightly further away sit Dark Phthalo Blue (#272D59) and Dark Persian Blue (#2D2759).

In RGB terms — rgb(33, 33, 92) — the blue channel does the heavy lifting here. Accessibility-wise, white text works best on #21215C: 14.6:1 contrast (passing WCAG AAA) versus 1.4:1 for black. For print, note the heavy black component (K:64) — ink coverage matters with tones this deep. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#21215C color variations

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

#21215C color tints

Tints look brighter, pastel, and less intense.
#21215C

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#363695

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#5656C2

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#8E8ED6

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#C6C6EA

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White

#FFFFFF

#21215C color shades

Shades look darker, richer, and more solid.
#21215C

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#1B1B4A

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#141438

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#0D0D25

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#060612

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Black

#000000

#21215C color tones

Tones looks more sophisticated and complex than base colors.
#21215C

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#2F2F69

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#404072

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#525279

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#67677D

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Grey

#808080

#21215C color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#5D2151

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#51215D

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#39215D

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#21215C

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#21395D

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#21515D

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#215D51

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#21215C 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
#21215C
#21215C

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#5E5E22
#5E5E22

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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
#21215C
#21215C

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#405E22
#405E22

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#5E4022
#5E4022

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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
#40225E
#40225E

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#21215C
#21215C

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#22405E
#22405E

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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
#21215C
#21215C

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#5E2222
#5E2222

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#225E22
#225E22

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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
#21215C
#21215C

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#5E225E
#5E225E

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#5E5E22
#5E5E22

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#225E22
#225E22

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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
#21215C
#21215C

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#5E2240
#5E2240

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#5E5E22
#5E5E22

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#225E40
#225E40

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Nearest named colors to #21215C

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

Blast Off color link
Blast Off

#262857

Dark Phthalo Blue color link
Dark Phthalo Blue

#272D59

Dark Persian Blue color link
Dark Persian Blue

#2D2759

OSS Blue color link
OSS Blue

#1B2450

Space Cadet color link
Space Cadet

#1D2951

Paua color link
Paua

#2A2551

Tottenham Navy color link
Tottenham Navy

#132257

Delft Blue color link
Delft Blue

#1F305E

Suns Purple color link
Suns Purple

#1D1160

Paris M color link
Paris M

#312760

Conspiracy Purple color link
Conspiracy Purple

#2E2767

Biscay color link
Biscay

#1B3162

#21215C color backgrounds & wallpapers

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

#21215C color image #21215C color ORCN HD wallpaper 3840x2160 (Desktop)
#21215C color image #21215C color ORCN HD wallpaper 1170x2532 (Mobile)
#21215C color image #21215C color solid HD wallpaper 3840x2160 (Desktop)
#21215C color image #21215C color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#21215C
  • RGB33, 33, 92
  • CMYK23, 23, 0, 64
  • CSSrgb(33, 33, 92)
  • HSL240°, 47%, 25%
  • HSL Precise240°, 47.2%, 24.51%
  • HSV240°, 64%, 36%
  • HSB240°, 64%, 36%
  • Normalized R (0.0–1.0)0.129
  • Normalized G (0.0–1.0)0.129
  • Normalized B (0.0–1.0)0.361
  • GLSLvec3(0.129, 0.129, 0.361)
  • GLSL with alphavec4(0.129, 0.129, 0.361, 1.000)
  • HLSL / Metalfloat3(0.129, 0.129, 0.361)
  • Percentage of Red in RGB12.9%
  • Percentage of Green in RGB12.9%
  • Percentage of Blue in RGB36.1%
  • Color FamilyBlue
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID21215C
  • DECIMAL ID2171228
  • Name LengthThis color has no name
  • Seen by search & AI crawlers19 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.

Important: a digital colour itself belongs to no one in law. That right exists only within the ORCN register: registration creates no ownership, trademark, copyright or design rights anywhere. Legal exclusivity outside the register, where it is available at all, arises separately under applicable trademark law and is generally limited to particular goods, services and jurisdictions.