Information about #1B2F64 color

#1B2F64 color image

Basic facts about this digital color

In the Register's classification, #1B2F64 belongs to the Azure Color Family, featuring Moderate Saturation and Dark brightness. In numbers: rgb(27, 47, 100) (10.6% red, 18.4% green, 39.2% blue), or CMYK 29 / 21 / 0 / 61 for print. Curious how these numbers work? Read our RGB color codes guide.

#1B2F64 presents itself as a confidently colored 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 Biscay (#1B3162). Its next-closest registered neighbors are Delft Blue (#1F305E) and Into The Blue (#193766).

Technically, the mix leans on its blue channel (rgb(27, 47, 100)), which gives #1B2F64 its character. Accessibility-wise, white text works best on #1B2F64: 12.8:1 contrast (passing WCAG AAA) versus 1.6:1 for black. For print, note the heavy black component (K:61) — ink coverage matters with tones this deep. Out of 16,777,216 possible colors, #1B2F64 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#1B2F64 color variations

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

#1B2F64 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 #1B2F64

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

Conversions between color systems and etc.

  • HEX#1B2F64
  • RGB27, 47, 100
  • CMYK29, 21, 0, 61
  • CSSrgb(27, 47, 100)
  • HSL224°, 57%, 25%
  • HSL Precise223.562°, 57.48%, 24.902%
  • HSV224°, 73%, 39%
  • HSB224°, 73%, 39%
  • Normalized R (0.0–1.0)0.106
  • Normalized G (0.0–1.0)0.184
  • Normalized B (0.0–1.0)0.392
  • GLSLvec3(0.106, 0.184, 0.392)
  • GLSL with alphavec4(0.106, 0.184, 0.392, 1.000)
  • HLSL / Metalfloat3(0.106, 0.184, 0.392)
  • Percentage of Red in RGB10.6%
  • Percentage of Green in RGB18.4%
  • Percentage of Blue in RGB39.2%
  • Color FamilyAzure
  • Saturation FamilyModerate Saturation
  • Lightness FamilyDark
  • HEX ID1B2F64
  • DECIMAL ID1781604
  • Name LengthThis color has no name
  • Seen by search & AI crawlers24 times
  • Counting from2025-01-01