Information about #1B2537 color

#1B2537 color image

Basic facts about this digital color

#1B2537 falls into the Azure Color Family — Mild Saturation, Dark brightness. Its exact recipe is rgb(27, 37, 55) — 10.6% red, 14.5% green, 21.6% blue — and for print it converts to CMYK 11 / 7 / 0 / 78. New to color codes? See our guide to RGB color codes.

The color #1B2537 reads as a moderately toned sky-leaning azure and leans clearly toward the dark side. Designers typically reach for tones like this for dark UI themes, backgrounds and dramatic accents. In The Official Register of Color Names it is a hair away from Nite Life (#1D2134). Its next-closest registered neighbors are Blue Night (#1F263B) and Dark (#1B2431).

The recipe behind #1B2537 is rgb(27, 37, 55), with blue as the dominant ingredient. Accessibility-wise, white text works best on #1B2537: 15.4:1 contrast (passing WCAG AAA) versus 1.4:1 for black. On paper it relies strongly on black ink (K:78), so proof dark layouts before a large print run. #1B2537 has no official name yet. If this shade means something to you, you can be the one to name it.

#1B2537 color variations

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

#1B2537 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 #1B2537

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

Blue Night color link
Blue Night

#1F263B

Dark color link
Dark

#1B2431

Indian Ink color link
Indian Ink

#232732

Yankees Blue color link
Yankees Blue

#1C2841

Dark Knight color link
Dark Knight

#232D36

Black Pearl color link
Black Pearl

#1E272C

Daytona color link
Daytona

#1E222C

Magnum color link
Magnum

#112331

Ebony Clay color link
Ebony Clay

#26283B

Surfs Up color link
Surfs Up

#1F2142

Conversions between color systems and etc.

  • HEX#1B2537
  • RGB27, 37, 55
  • CMYK11, 7, 0, 78
  • CSSrgb(27, 37, 55)
  • HSL219°, 34%, 16%
  • HSL Precise218.571°, 34.146%, 16.078%
  • HSV219°, 51%, 22%
  • HSB219°, 51%, 22%
  • Normalized R (0.0–1.0)0.106
  • Normalized G (0.0–1.0)0.145
  • Normalized B (0.0–1.0)0.216
  • GLSLvec3(0.106, 0.145, 0.216)
  • GLSL with alphavec4(0.106, 0.145, 0.216, 1.000)
  • HLSL / Metalfloat3(0.106, 0.145, 0.216)
  • Percentage of Red in RGB10.6%
  • Percentage of Green in RGB14.5%
  • Percentage of Blue in RGB21.6%
  • Color FamilyAzure
  • Saturation FamilyMild Saturation
  • Lightness FamilyDark
  • HEX ID1B2537
  • DECIMAL ID1778999
  • Name LengthThis color has no name
  • Seen by search & AI crawlers21 times
  • Counting from2025-01-01