Information about #1B3F65 color

#1B3F65 color image

Basic facts about this digital color

In the Register's classification, #1B3F65 belongs to the Azure Color Family, featuring Moderate Saturation and Neutral brightness. The mix behind it: rgb(27, 63, 101) — 10.6% red, 24.7% green, 39.6% blue; the print equivalent is CMYK 29 / 15 / 0 / 60. New to color codes? See our guide to RGB color codes.

The color #1B3F65 reads as a pleasantly vivid azure and sits comfortably between light and dark. Designers typically reach for tones like this for understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is almost identical to Into The Blue (#193766). Nearby in the Register you will also find Apollo Blue (#163968) and Shipshape (#21425F).

In RGB terms — rgb(27, 63, 101) — the blue channel does the heavy lifting here. If you plan to put text on a #1B3F65 background, choose white — the contrast ratio is 10.8:1 (passing WCAG AAA), while black manages only 1.9:1. On paper it relies strongly on black ink (K:60), so proof dark layouts before a large print run. Out of 16,777,216 possible colors, #1B3F65 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#1B3F65 color variations

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

#1B3F65 color tints

Tints look brighter, pastel, and less intense.
#1B3F65

Color has no name
#2A64A1

Color has no name
#498ACE

Color has no name
#86B1DE

Color has no name
#C2D8EE

Color has no name
White

#FFFFFF

#1B3F65 color shades

Shades look darker, richer, and more solid.
#1B3F65

Color has no name
#153250

Color has no name
#10253C

Color has no name
#0A1928

Color has no name
#050C14

Color has no name
Black

#000000

#1B3F65 color tones

Tones looks more sophisticated and complex than base colors.
#1B3F65

Color has no name
#294B6F

Color has no name
#3A5878

Color has no name
#4E657D

Color has no name
#657280

Color has no name
Grey

#808080

#1B3F65 color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#4F1A64

Color has no name
#321A64

Color has no name
#1A2064

Color has no name
#1B3F65

Color has no name
#1A5C64

Color has no name
#1A644F

Color has no name
#1A6432

Color has no name

#1B3F65 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
#1B3F65
#1B3F65

Color has no name

#65411B
#65411B

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
#1B3F65
#1B3F65

Color has no name

#63651B
#63651B

Color has no name

#651C1B
#651C1B

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
#1C1B65
#1C1B65

Color has no name

#1B3F65
#1B3F65

Color has no name

#1B6365
#1B6365

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
#1B3F65
#1B3F65

Color has no name

#651B3F
#651B3F

Color has no name

#3F651B
#3F651B

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
#1B3F65
#1B3F65

Color has no name

#411B65
#411B65

Color has no name

#65411B
#65411B

Color has no name

#3F651B
#3F651B

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
#1B3F65
#1B3F65

Color has no name

#651B63
#651B63

Color has no name

#65411B
#65411B

Color has no name

#1B651C
#1B651C

Color has no name

Nearest named colors to #1B3F65

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

Into The Blue color link
Into The Blue

#193766

Apollo Blue color link
Apollo Blue

#163968

Shipshape color link
Shipshape

#21425F

Cello color link
Cello

#1E385B

Regal Blue color link
Regal Blue

#203F58

Nationalist Blue color link
Nationalist Blue

#174358

Biscay color link
Biscay

#1B3162

Guru color link
Guru

#154C65

Astronaut Blue color link
Astronaut Blue

#214559

Confidante color link
Confidante

#233167

Blue Clouds color link
Blue Clouds

#273C5A

Wanaka color link
Wanaka

#284962

#1B3F65 color backgrounds & wallpapers

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

#1B3F65 color image #1B3F65 color ORCN HD wallpaper 3840x2160 (Desktop)
#1B3F65 color image #1B3F65 color ORCN HD wallpaper 1170x2532 (Mobile)
#1B3F65 color image #1B3F65 color solid HD wallpaper 3840x2160 (Desktop)
#1B3F65 color image #1B3F65 color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#1B3F65
  • RGB27, 63, 101
  • CMYK29, 15, 0, 60
  • CSSrgb(27, 63, 101)
  • HSL211°, 58%, 25%
  • HSL Precise210.811°, 57.813%, 25.098%
  • HSV211°, 73%, 40%
  • HSB211°, 73%, 40%
  • Normalized R (0.0–1.0)0.106
  • Normalized G (0.0–1.0)0.247
  • Normalized B (0.0–1.0)0.396
  • GLSLvec3(0.106, 0.247, 0.396)
  • GLSL with alphavec4(0.106, 0.247, 0.396, 1.000)
  • HLSL / Metalfloat3(0.106, 0.247, 0.396)
  • Percentage of Red in RGB10.6%
  • Percentage of Green in RGB24.7%
  • Percentage of Blue in RGB39.6%
  • Color Family (Hue)Azure
  • Saturation FamilyModerate Saturation
  • Lightness FamilyNeutral
  • HEX ID1B3F65
  • DECIMAL ID1785701
  • Name LengthThis color has no name
  • This page visited6 times
  • Counting from2025-01-01

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