Information about #1B3755 color

#1B3755 color image

Basic facts about this digital color

In the Register's classification, #1B3755 belongs to the Azure Color Family, featuring Moderate Saturation and Dark brightness. In numbers: rgb(27, 55, 85) (10.6% red, 21.6% green, 33.3% blue), or CMYK 23 / 12 / 0 / 67 for print. Curious how these numbers work? Read our RGB color codes guide.

A confidently colored steel-blue azure, #1B3755 carries a shadowy depth. 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 Cello (#1E385B). Nearby in the Register you will also find Dark Blue Grey (#1F3B4D) and Regal Blue (#203F58).

The recipe behind #1B3755 is rgb(27, 55, 85), with blue as the dominant ingredient. If you plan to put text on a #1B3755 background, choose white — the contrast ratio is 12.2:1 (passing WCAG AAA), while black manages only 1.7:1. On paper it relies strongly on black ink (K:67), so proof dark layouts before a large print run. #1B3755 has no official name yet. If this shade means something to you, you can be the one to name it.

#1B3755 color variations

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

#1B3755 color tints

Tints look brighter, pastel, and less intense.
#1B3755

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#2E5E91

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#4985C5

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#86AED8

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#C2D6EB

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White

#FFFFFF

#1B3755 color shades

Shades look darker, richer, and more solid.
#1B3755

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#152C44

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#102133

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#0A1622

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#050B11

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Black

#000000

#1B3755 color tones

Tones looks more sophisticated and complex than base colors.
#1B3755

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#294563

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#3A536F

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#4E6277

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#65707C

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Grey

#808080

#1B3755 color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#441A55

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#2D1A55

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#1A1F55

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#1B3755

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#1A4E55

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#1A5544

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#1A552D

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#1B3755 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
#1B3755
#1B3755

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#55391B
#55391B

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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
#1B3755
#1B3755

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#54551B
#54551B

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#551C1B
#551C1B

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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
#1C1B55
#1C1B55

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#1B3755
#1B3755

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#1B5455
#1B5455

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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
#1B3755
#1B3755

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#551B37
#551B37

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#37551B
#37551B

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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
#1B3755
#1B3755

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#391B55
#391B55

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#55391B
#55391B

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#37551B
#37551B

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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
#1B3755
#1B3755

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#551B54
#551B54

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#55391B
#55391B

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#1B551C
#1B551C

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Nearest named colors to #1B3755

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

Cello color link
Cello

#1E385B

Dark Blue Grey color link
Dark Blue Grey

#1F3B4D

Regal Blue color link
Regal Blue

#203F58

Delft Blue color link
Delft Blue

#1F305E

Dark Sapphire Blue color link
Dark Sapphire Blue

#273459

Dark Cobalt Blue color link
Dark Cobalt Blue

#273A59

Nationalist Blue color link
Nationalist Blue

#174358

Midnight Oil color link
Midnight Oil

#283854

Barometer color link
Barometer

#11394C

Blue Clouds color link
Blue Clouds

#273C5A

Biscay color link
Biscay

#1B3162

Nile Blue color link
Nile Blue

#253F4E

#1B3755 color backgrounds & wallpapers

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

#1B3755 color image #1B3755 color ORCN HD wallpaper 3840x2160 (Desktop)
#1B3755 color image #1B3755 color ORCN HD wallpaper 1170x2532 (Mobile)
#1B3755 color image #1B3755 color solid HD wallpaper 3840x2160 (Desktop)
#1B3755 color image #1B3755 color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#1B3755
  • RGB27, 55, 85
  • CMYK23, 12, 0, 67
  • CSSrgb(27, 55, 85)
  • HSL211°, 52%, 22%
  • HSL Precise211.034°, 51.786%, 21.961%
  • HSV211°, 68%, 33%
  • HSB211°, 68%, 33%
  • Normalized R (0.0–1.0)0.106
  • Normalized G (0.0–1.0)0.216
  • Normalized B (0.0–1.0)0.333
  • GLSLvec3(0.106, 0.216, 0.333)
  • GLSL with alphavec4(0.106, 0.216, 0.333, 1.000)
  • HLSL / Metalfloat3(0.106, 0.216, 0.333)
  • Percentage of Red in RGB10.6%
  • Percentage of Green in RGB21.6%
  • Percentage of Blue in RGB33.3%
  • Color Family (Hue)Azure
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID1B3755
  • DECIMAL ID1783637
  • Name LengthThis color has no name
  • This page visited6 times
  • Counting from2025-01-01

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