Information about #303740 color

#303740 color image

Basic facts about this digital color

In the Register's classification, #303740 belongs to the Azure Color Family, featuring Low Saturation and Dark brightness. The mix behind it: rgb(48, 55, 64) — 18.8% red, 21.6% green, 25.1% blue; the print equivalent is CMYK 6 / 4 / 0 / 75. Curious how these numbers work? Read our RGB color codes guide.

#303740 is a softly toned steel-blue azure 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 a hair away from High Tide (#32373F). Its next-closest registered neighbors are Warrior (#2D3B42) and Gotham (#303B44).

The recipe behind #303740 is rgb(48, 55, 64), with blue as the dominant ingredient. If you plan to put text on a #303740 background, choose white — the contrast ratio is 12.0:1 (passing WCAG AAA), while black manages only 1.7:1. For print, note the heavy black component (K:75) — ink coverage matters with tones this deep. No one has named #303740 so far. Register a name for it and it becomes a permanent record.

#303740 color variations

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

#303740 color tints

Tints look brighter, pastel, and less intense.
#303740

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#525E6D

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#768598

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#A4ADBA

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#D1D6DC

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White

#FFFFFF

#303740 color shades

Shades look darker, richer, and more solid.
#303740

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#262C33

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#1C2126

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#131619

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#090B0C

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Black

#000000

#303740 color tones

Tones looks more sophisticated and complex than base colors.
#303740

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#3E454E

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#4D535B

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#5D6268

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#6E7074

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Grey

#808080

#303740 color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#3C303F

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#36303F

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#30303F

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#303740

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#303D3F

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#303F3C

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#303F36

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#303740 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
#303740
#303740

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#403930
#403930

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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
#303740
#303740

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#3F4030
#3F4030

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#403130
#403130

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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
#313040
#313040

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#303740
#303740

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#303F40
#303F40

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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
#303740
#303740

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#403037
#403037

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#374030
#374030

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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
#303740
#303740

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#393040
#393040

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#403930
#403930

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#374030
#374030

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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
#303740
#303740

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#40303F
#40303F

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#403930
#403930

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#304031
#304031

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Nearest named colors to #303740

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

High Tide color link
High Tide

#32373F

Warrior color link
Warrior

#2D3B42

Gotham color link
Gotham

#303B44

Metallic Charcoal color link
Metallic Charcoal

#343B40

Catch color link
Catch

#34343C

Mosaic color link
Mosaic

#293741

Revolver color link
Revolver

#37363F

Shark color link
Shark

#34363A

Vulcan color link
Vulcan

#36383C

Woody Bay color link
Woody Bay

#33343A

Black Marlin color link
Black Marlin

#383740

Blueprint color link
Blueprint

#2A313F

#303740 color backgrounds & wallpapers

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

#303740 color image #303740 color ORCN HD wallpaper 3840x2160 (Desktop)
#303740 color image #303740 color ORCN HD wallpaper 1170x2532 (Mobile)
#303740 color image #303740 color solid HD wallpaper 3840x2160 (Desktop)
#303740 color image #303740 color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#303740
  • RGB48, 55, 64
  • CMYK6, 4, 0, 75
  • CSSrgb(48, 55, 64)
  • HSL214°, 14%, 22%
  • HSL Precise213.75°, 14.286%, 21.961%
  • HSV214°, 25%, 25%
  • HSB214°, 25%, 25%
  • Normalized R (0.0–1.0)0.188
  • Normalized G (0.0–1.0)0.216
  • Normalized B (0.0–1.0)0.251
  • GLSLvec3(0.188, 0.216, 0.251)
  • GLSL with alphavec4(0.188, 0.216, 0.251, 1.000)
  • HLSL / Metalfloat3(0.188, 0.216, 0.251)
  • Percentage of Red in RGB18.8%
  • Percentage of Green in RGB21.6%
  • Percentage of Blue in RGB25.1%
  • Color FamilyAzure
  • Saturation FamilyLow Saturation
  • Lightness FamilyDark
  • HEX ID303740
  • DECIMAL ID3159872
  • Name LengthThis color has no name
  • Seen by search & AI crawlers25 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.