Information about #1B3045 color

#1B3045 color image

Basic facts about this digital color

#1B3045 falls into the Azure Color FamilyModerate Saturation, Dark brightness. The mix behind it: rgb(27, 48, 69) — 10.6% red, 18.8% green, 27.1% blue; the print equivalent is CMYK 16 / 8 / 0 / 73. New to color codes? See our guide to RGB color codes.

#1B3045 presents itself as a confidently colored steel-blue azure — one that leans clearly toward the dark side. In practice it works well for dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is a hair away from Billabong (#173141). Its next-closest registered neighbors are Regatta (#192C49) and Crescendo (#222F44).

The recipe behind #1B3045 is rgb(27, 48, 69), with blue as the dominant ingredient. Accessibility-wise, white text works best on #1B3045: 13.5:1 contrast (passing WCAG AAA) versus 1.6:1 for black. On paper it relies strongly on black ink (K:73), so proof dark layouts before a large print run. Out of 16,777,216 possible colors, #1B3045 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#1B3045 color variations

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

#1B3045 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

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

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

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

Tetradic

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

Tetradic color scheme

Square

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

Square color scheme

Nearest named colors to #1B3045

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

Billabong color link
Billabong

#173141

Regatta color link
Regatta

#192C49

Crescendo color link
Crescendo

#222F44

Yankees Blue color link
Yankees Blue

#1C2841

Coast color link
Coast

#243442

ORPIN BLUE color link
ORPIN BLUE

#122B4A

Elephant color link
Elephant

#243640

Nordic color link
Nordic

#1D393C

Allegro color link
Allegro

#242E3B

Conversions between color systems and etc.

  • HEX#1B3045
  • RGB27, 48, 69
  • CMYK16, 8, 0, 73
  • CSSrgb(27, 48, 69)
  • HSL210°, 44%, 19%
  • HSL Precise210°, 43.75%, 18.824%
  • HSV210°, 61%, 27%
  • HSB210°, 61%, 27%
  • Normalized R (0.0–1.0)0.106
  • Normalized G (0.0–1.0)0.188
  • Normalized B (0.0–1.0)0.271
  • GLSLvec3(0.106, 0.188, 0.271)
  • GLSL with alphavec4(0.106, 0.188, 0.271, 1.000)
  • HLSL / Metalfloat3(0.106, 0.188, 0.271)
  • Percentage of Red in RGB10.6%
  • Percentage of Green in RGB18.8%
  • Percentage of Blue in RGB27.1%
  • Color FamilyAzure
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID1B3045
  • DECIMAL ID1781829
  • Name LengthThis color has no name
  • Seen by search & AI crawlers9 times
  • Counting from2025-01-01