Information about #1C1F3B color

#1C1F3B color image

Basic facts about this digital color

In the Register's classification, #1C1F3B belongs to the Blue Color Family, featuring Mild Saturation and Dark brightness. In numbers: rgb(28, 31, 59) (11% red, 12.2% green, 23.1% blue), or CMYK 12 / 11 / 0 / 77 for print. Curious how these numbers work? Read our RGB color codes guide.

#1C1F3B presents itself as a mildly saturated blue — one that carries a shadowy depth. It is a natural fit for night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is almost identical to Nite Life (#1D2134). Nearby in the Register you will also find Blue Night (#1F263B) and Surfs Up (#1F2142).

Technically, the mix leans on its blue channel (rgb(28, 31, 59)), which gives #1C1F3B its character. If you plan to put text on a #1C1F3B background, choose white — the contrast ratio is 16.0:1 (passing WCAG AAA), while black manages only 1.3:1. On paper it relies strongly on black ink (K:77), so proof dark layouts before a large print run. Out of 16,777,216 possible colors, #1C1F3B is still unnamed — it can be claimed and named in The Official Register of Color Names.

#1C1F3B color variations

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

#1C1F3B 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 #1C1F3B

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

Surfs Up color link
Surfs Up

#1F2142

Yankees Blue color link
Yankees Blue

#1C2841

Dark color link
Dark

#1B2431

Sonic Boom color link
Sonic Boom

#252042

Bullitt color link
Bullitt

#27253C

Ebony Clay color link
Ebony Clay

#26283B

Indian Ink color link
Indian Ink

#232732

Conversions between color systems and etc.

  • HEX#1C1F3B
  • RGB28, 31, 59
  • CMYK12, 11, 0, 77
  • CSSrgb(28, 31, 59)
  • HSL234°, 36%, 17%
  • HSL Precise234.194°, 35.632%, 17.059%
  • HSV234°, 53%, 23%
  • HSB234°, 53%, 23%
  • Normalized R (0.0–1.0)0.110
  • Normalized G (0.0–1.0)0.122
  • Normalized B (0.0–1.0)0.231
  • GLSLvec3(0.110, 0.122, 0.231)
  • GLSL with alphavec4(0.110, 0.122, 0.231, 1.000)
  • HLSL / Metalfloat3(0.110, 0.122, 0.231)
  • Percentage of Red in RGB11%
  • Percentage of Green in RGB12.2%
  • Percentage of Blue in RGB23.1%
  • Color FamilyBlue
  • Saturation FamilyMild Saturation
  • Lightness FamilyDark
  • HEX ID1C1F3B
  • DECIMAL ID1843003
  • Name LengthThis color has no name
  • Seen by search & AI crawlers30 times
  • Counting from2025-01-01