Information about #1B455F color

#1B455F color image

Basic facts about this digital color

In the Register's classification, #1B455F belongs to the Azure Color Family, featuring Moderate Saturation and Dark brightness. In numbers: rgb(27, 69, 95) (10.6% red, 27.1% green, 37.3% blue), or CMYK 27 / 10 / 0 / 63 for print. Curious how these numbers work? Read our RGB color codes guide.

#1B455F presents itself as a clearly saturated sky-leaning azure — one that leans clearly toward the dark side. It is a natural fit for dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is almost identical to Shipshape (#21425F). Its next-closest registered neighbors are Nationalist Blue (#174358) and Astronaut Blue (#214559).

The recipe behind #1B455F is rgb(27, 69, 95), with blue as the dominant ingredient. Accessibility-wise, white text works best on #1B455F: 10.2:1 contrast (passing WCAG AAA) versus 2.1:1 for black. On paper it relies strongly on black ink (K:63), so proof dark layouts before a large print run. #1B455F has no official name yet. If this shade means something to you, you can be the one to name it.

#1B455F color variations

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

#1B455F color tints

Tints look brighter, pastel, and less intense.
#1B455F

Color has no name
#2B719B

Color has no name
#4999CB

Color has no name
#86BBDC

Color has no name
#C2DDED

Color has no name
White

#FFFFFF

#1B455F color shades

Shades look darker, richer, and more solid.
#1B455F

Color has no name
#15374C

Color has no name
#102939

Color has no name
#0A1B26

Color has no name
#050D13

Color has no name
Black

#000000

#1B455F color tones

Tones looks more sophisticated and complex than base colors.
#1B455F

Color has no name
#29526B

Color has no name
#3A5E75

Color has no name
#4E6A7B

Color has no name
#65757F

Color has no name
Grey

#808080

#1B455F color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#421A5F

Color has no name
#271A5F

Color has no name
#1A295F

Color has no name
#1B455F

Color has no name
#1A5F5E

Color has no name
#1A5F42

Color has no name
#1A5F27

Color has no name

#1B455F 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
#1B455F
#1B455F

Color has no name

#5F351B
#5F351B

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
#1B455F
#1B455F

Color has no name

#5F571B
#5F571B

Color has no name

#5F1B23
#5F1B23

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
#1B235F
#1B235F

Color has no name

#1B455F
#1B455F

Color has no name

#1B5F57
#1B5F57

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
#1B455F
#1B455F

Color has no name

#5F1B45
#5F1B45

Color has no name

#455F1B
#455F1B

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
#1B455F
#1B455F

Color has no name

#351B5F
#351B5F

Color has no name

#5F351B
#5F351B

Color has no name

#455F1B
#455F1B

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
#1B455F
#1B455F

Color has no name

#571B5F
#571B5F

Color has no name

#5F351B
#5F351B

Color has no name

#235F1B
#235F1B

Color has no name

Nearest named colors to #1B455F

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

Shipshape color link
Shipshape

#21425F

Nationalist Blue color link
Nationalist Blue

#174358

Astronaut Blue color link
Astronaut Blue

#214559

Regal Blue color link
Regal Blue

#203F58

Guru color link
Guru

#154C65

Arapawa color link
Arapawa

#274A5D

Cello color link
Cello

#1E385B

Wanaka color link
Wanaka

#284962

Dark Azure color link
Dark Azure

#274059

Dark Grey Blue color link
Dark Grey Blue

#29465B

Beatnik color link
Beatnik

#1F4F54

Into The Blue color link
Into The Blue

#193766

#1B455F color backgrounds & wallpapers

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

#1B455F color image #1B455F color ORCN HD wallpaper 3840x2160 (Desktop)
#1B455F color image #1B455F color ORCN HD wallpaper 1170x2532 (Mobile)
#1B455F color image #1B455F color solid HD wallpaper 3840x2160 (Desktop)
#1B455F color image #1B455F color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#1B455F
  • RGB27, 69, 95
  • CMYK27, 10, 0, 63
  • CSSrgb(27, 69, 95)
  • HSL203°, 56%, 24%
  • HSL Precise202.941°, 55.738%, 23.922%
  • HSV203°, 72%, 37%
  • HSB203°, 72%, 37%
  • Normalized R (0.0–1.0)0.106
  • Normalized G (0.0–1.0)0.271
  • Normalized B (0.0–1.0)0.373
  • GLSLvec3(0.106, 0.271, 0.373)
  • GLSL with alphavec4(0.106, 0.271, 0.373, 1.000)
  • HLSL / Metalfloat3(0.106, 0.271, 0.373)
  • Percentage of Red in RGB10.6%
  • Percentage of Green in RGB27.1%
  • Percentage of Blue in RGB37.3%
  • Color FamilyAzure
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID1B455F
  • DECIMAL ID1787231
  • 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.