Information about #21275D color

#21275D color image

Basic facts about this digital color

The digital color #21275D is classified in the Register under the Blue Color Family, with Moderate Saturation and Dark brightness. In numbers: rgb(33, 39, 93) (12.9% red, 15.3% green, 36.5% blue), or CMYK 24 / 21 / 0 / 64 for print. Curious how these numbers work? Read our RGB color codes guide.

#21275D is a confidently colored blue that leans clearly toward the dark side. It is a natural fit for night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is almost identical to Blast Off (#262857). Its next-closest registered neighbors are Delft Blue (#1F305E) and Dark Phthalo Blue (#272D59).

In RGB terms — rgb(33, 39, 93) — the blue channel does the heavy lifting here. If you plan to put text on a #21275D background, choose white — the contrast ratio is 13.9:1 (passing WCAG AAA), while black manages only 1.5:1. 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.

#21275D color variations

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

#21275D color tints

Tints look brighter, pastel, and less intense.
#21275D

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#353E96

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#5560C3

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#8D95D7

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#C6CAEB

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White

#FFFFFF

#21275D color shades

Shades look darker, richer, and more solid.
#21275D

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#1A1F4B

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#131738

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#0D0F25

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#060712

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Black

#000000

#21275D color tones

Tones looks more sophisticated and complex than base colors.
#21275D

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#2F3469

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#3F4472

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#525679

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#67697D

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Grey

#808080

#21275D color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#5E2158

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#4B215E

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#33215E

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#21275D

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#213F5E

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#21585E

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#215E4B

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#21275D 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
#21275D
#21275D

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#5E5821
#5E5821

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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
#21275D
#21275D

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#465E21
#465E21

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#5E3A21
#5E3A21

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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
#3A215E
#3A215E

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#21275D
#21275D

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#21465E
#21465E

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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
#21275D
#21275D

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#5E2127
#5E2127

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#275E21
#275E21

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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
#21275D
#21275D

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#58215E
#58215E

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#5E5821
#5E5821

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#275E21
#275E21

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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
#21275D
#21275D

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#5E2146
#5E2146

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#5E5821
#5E5821

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#215E3A
#215E3A

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Nearest named colors to #21275D

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

Delft Blue color link
Delft Blue

#1F305E

Dark Phthalo Blue color link
Dark Phthalo Blue

#272D59

Dark Persian Blue color link
Dark Persian Blue

#2D2759

Biscay color link
Biscay

#1B3162

Space Cadet color link
Space Cadet

#1D2951

Aviator color link
Aviator

#2A3057

Confidante color link
Confidante

#233167

OSS Blue color link
OSS Blue

#1B2450

Dark Sapphire Blue color link
Dark Sapphire Blue

#273459

Paua color link
Paua

#2A2551

Tottenham Navy color link
Tottenham Navy

#132257

#21275D color backgrounds & wallpapers

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

#21275D color image #21275D color ORCN HD wallpaper 3840x2160 (Desktop)
#21275D color image #21275D color ORCN HD wallpaper 1170x2532 (Mobile)
#21275D color image #21275D color solid HD wallpaper 3840x2160 (Desktop)
#21275D color image #21275D color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#21275D
  • RGB33, 39, 93
  • CMYK24, 21, 0, 64
  • CSSrgb(33, 39, 93)
  • HSL234°, 48%, 25%
  • HSL Precise234°, 47.619%, 24.706%
  • HSV234°, 65%, 36%
  • HSB234°, 65%, 36%
  • Normalized R (0.0–1.0)0.129
  • Normalized G (0.0–1.0)0.153
  • Normalized B (0.0–1.0)0.365
  • GLSLvec3(0.129, 0.153, 0.365)
  • GLSL with alphavec4(0.129, 0.153, 0.365, 1.000)
  • HLSL / Metalfloat3(0.129, 0.153, 0.365)
  • Percentage of Red in RGB12.9%
  • Percentage of Green in RGB15.3%
  • Percentage of Blue in RGB36.5%
  • Color FamilyBlue
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID21275D
  • DECIMAL ID2172765
  • Name LengthThis color has no name
  • Seen by search & AI crawlers8 times
  • Counting from2025-01-01

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