Information about #1B1E31 color

#1B1E31 color image

Basic facts about this digital color

The digital color #1B1E31 is classified in the Register under the Blue Color Family, with Mild Saturation and Dark brightness. In numbers: rgb(27, 30, 49) (10.6% red, 11.8% green, 19.2% blue), or CMYK 9 / 7 / 0 / 81 for print. Curious how these numbers work? Read our RGB color codes guide.

The color #1B1E31 reads as a softly balanced blue and carries a shadowy depth. Expect to see shades like this in moody backdrops, typography on light surfaces and premium packaging. In The Official Register of Color Names it is practically indistinguishable from Nite Life (#1D2134). Nearby in the Register you will also find Dark (#1B2431) and Daytona (#1E222C).

In RGB terms — rgb(27, 30, 49) — the blue channel does the heavy lifting here. On this background, white text reaches a 16.4:1 contrast ratio (passing WCAG AAA); black stays at 1.3:1. For print, note the heavy black component (K:81) — ink coverage matters with tones this deep. No one has named #1B1E31 so far. Register a name for it and it becomes a permanent record.

#1B1E31 color variations

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

#1B1E31 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 #1B1E31

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

Nite Life color link
Nite Life

#1D2134

Dark color link
Dark

#1B2431

Daytona color link
Daytona

#1E222C

Elderberry color link
Elderberry

#17182B

Black Pearl color link
Black Pearl

#1E272C

Magnum color link
Magnum

#112331

Coarse Wool color link
Coarse Wool

#181B26

Bledisloe color link
Bledisloe

#19282B

Indian Ink color link
Indian Ink

#232732

Sentry color link
Sentry

#1C2728

Conversions between color systems and etc.

  • HEX#1B1E31
  • RGB27, 30, 49
  • CMYK9, 7, 0, 81
  • CSSrgb(27, 30, 49)
  • HSL232°, 29%, 15%
  • HSL Precise231.818°, 28.947%, 14.902%
  • HSV232°, 45%, 19%
  • HSB232°, 45%, 19%
  • Normalized R (0.0–1.0)0.106
  • Normalized G (0.0–1.0)0.118
  • Normalized B (0.0–1.0)0.192
  • GLSLvec3(0.106, 0.118, 0.192)
  • GLSL with alphavec4(0.106, 0.118, 0.192, 1.000)
  • HLSL / Metalfloat3(0.106, 0.118, 0.192)
  • Percentage of Red in RGB10.6%
  • Percentage of Green in RGB11.8%
  • Percentage of Blue in RGB19.2%
  • Color FamilyBlue
  • Saturation FamilyMild Saturation
  • Lightness FamilyDark
  • HEX ID1B1E31
  • DECIMAL ID1777201
  • Name LengthThis color has no name
  • Seen by search & AI crawlers28 times
  • Counting from2025-01-01