Information about #2B3C51 color

#2B3C51 color image

Basic facts about this digital color

The digital color #2B3C51 is classified in the Register under the Azure Color Family, with Mild Saturation and Dark brightness. In numbers: rgb(43, 60, 81) (16.9% red, 23.5% green, 31.8% blue), or CMYK 15 / 8 / 0 / 68 for print. Curious how these numbers work? Read our RGB color codes guide.

The color #2B3C51 reads as a moderately toned steel-blue azure and leans clearly toward the dark side. Expect to see shades like this in night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is practically indistinguishable from Madison (#2D3C54). Its next-closest registered neighbors are Midnight Oil (#283854) and Nile Blue (#253F4E).

In RGB terms — rgb(43, 60, 81) — the blue channel does the heavy lifting here. If you plan to put text on a #2B3C51 background, choose white — the contrast ratio is 11.2:1 (passing WCAG AAA), while black manages only 1.9:1. For print, note the heavy black component (K:68) — ink coverage matters with tones this deep. No one has named #2B3C51 so far. Register a name for it and it becomes a permanent record.

#2B3C51 color variations

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

#2B3C51 color tints

Tints look brighter, pastel, and less intense.
#2B3C51

Color has no name
#446082

Color has no name
#6687AE

Color has no name
#99AFC9

Color has no name
#CCD7E4

Color has no name
White

#FFFFFF

#2B3C51 color shades

Shades look darker, richer, and more solid.
#2B3C51

Color has no name
#212F40

Color has no name
#192330

Color has no name
#101720

Color has no name
#080B10

Color has no name
Black

#000000

#2B3C51 color tones

Tones looks more sophisticated and complex than base colors.
#2B3C51

Color has no name
#37485C

Color has no name
#475668

Color has no name
#586371

Color has no name
#6B7179

Color has no name
Grey

#808080

#2B3C51 color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#462A50

Color has no name
#372A50

Color has no name
#2A2C50

Color has no name
#2B3C51

Color has no name
#2A4A50

Color has no name
#2A5046

Color has no name
#2A5037

Color has no name

#2B3C51 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
#2B3C51
#2B3C51

Color has no name

#503F2A
#503F2A

Color has no name

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
#2B3C51
#2B3C51

Color has no name

#4E502A
#4E502A

Color has no name

#502C2A
#502C2A

Color has no name

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
#2C2A50
#2C2A50

Color has no name

#2B3C51
#2B3C51

Color has no name

#2A4E50
#2A4E50

Color has no name

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
#2B3C51
#2B3C51

Color has no name

#502A3B
#502A3B

Color has no name

#3B502A
#3B502A

Color has no name

Tetradic

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

Tetradic color scheme
#2B3C51
#2B3C51

Color has no name

#3F2A50
#3F2A50

Color has no name

#503F2A
#503F2A

Color has no name

#3B502A
#3B502A

Color has no name

Square

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

Square color scheme
#2B3C51
#2B3C51

Color has no name

#502A4E
#502A4E

Color has no name

#503F2A
#503F2A

Color has no name

#2A502C
#2A502C

Color has no name

Nearest named colors to #2B3C51

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

Madison color link
Madison

#2D3C54

Midnight Oil color link
Midnight Oil

#283854

Nile Blue color link
Nile Blue

#253F4E

Ares blue color link
Ares blue

#2D4255

Vintage Blue color link
Vintage Blue

#303D57

Charcoal Blue color link
Charcoal Blue

#2D4256

Galactica color link
Galactica

#303655

Vintage Navy color link
Vintage Navy

#2A344D

Dark Cobalt Blue color link
Dark Cobalt Blue

#273A59

Dark Azure color link
Dark Azure

#274059

Blue Clouds color link
Blue Clouds

#273C5A

Cloud Burst color link
Cloud Burst

#353E4F

#2B3C51 color backgrounds & wallpapers

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

#2B3C51 color image #2B3C51 color ORCN HD wallpaper 3840x2160 (Desktop)
#2B3C51 color image #2B3C51 color ORCN HD wallpaper 1170x2532 (Mobile)
#2B3C51 color image #2B3C51 color solid HD wallpaper 3840x2160 (Desktop)
#2B3C51 color image #2B3C51 color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#2B3C51
  • RGB43, 60, 81
  • CMYK15, 8, 0, 68
  • CSSrgb(43, 60, 81)
  • HSL213°, 31%, 24%
  • HSL Precise213.158°, 30.645%, 24.314%
  • HSV213°, 47%, 32%
  • HSB213°, 47%, 32%
  • Normalized R (0.0–1.0)0.169
  • Normalized G (0.0–1.0)0.235
  • Normalized B (0.0–1.0)0.318
  • GLSLvec3(0.169, 0.235, 0.318)
  • GLSL with alphavec4(0.169, 0.235, 0.318, 1.000)
  • HLSL / Metalfloat3(0.169, 0.235, 0.318)
  • Percentage of Red in RGB16.9%
  • Percentage of Green in RGB23.5%
  • Percentage of Blue in RGB31.8%
  • Color FamilyAzure
  • Saturation FamilyMild Saturation
  • Lightness FamilyDark
  • HEX ID2B3C51
  • DECIMAL ID2833489
  • Name LengthThis color has no name
  • Seen by search & AI crawlers16 times
  • Counting from2025-01-01

Copyright © 2021-2026 The Official Register of Color Names. All Rights Reserved.

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.