Information about #171B30 color

#171B30 color image

Basic facts about this digital color

#171B30 falls into the Blue Color Family — Mild Saturation, Dark brightness. The mix behind it: rgb(23, 27, 48) — 9% red, 10.6% green, 18.8% blue; the print equivalent is CMYK 10 / 8 / 0 / 81. New to color codes? See our guide to RGB color codes.

A softly balanced blue, #171B30 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 almost identical to Elderberry (#17182B). Its next-closest registered neighbors are Nite Life (#1D2134) and I am Core Group International (#151529).

In RGB terms — rgb(23, 27, 48) — the blue channel does the heavy lifting here. Accessibility-wise, white text works best on #171B30: 17.0:1 contrast (passing WCAG AAA) versus 1.2:1 for black. For print, note the heavy black component (K:81) — ink coverage matters with tones this deep. Out of 16,777,216 possible colors, #171B30 is still unnamed — it can be claimed and named in The Official Register of Color Names.

#171B30 color variations

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

#171B30 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 #171B30

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

Elderberry color link
Elderberry

#17182B

Nite Life color link
Nite Life

#1D2134

Dark color link
Dark

#1B2431

Magnum color link
Magnum

#112331

Coarse Wool color link
Coarse Wool

#181B26

Daytona color link
Daytona

#1E222C

Bledisloe color link
Bledisloe

#19282B

Black Pearl color link
Black Pearl

#1E272C

Sentry color link
Sentry

#1C2728

Indian Ink color link
Indian Ink

#232732

Conversions between color systems and etc.

  • HEX#171B30
  • RGB23, 27, 48
  • CMYK10, 8, 0, 81
  • CSSrgb(23, 27, 48)
  • HSL230°, 35%, 14%
  • HSL Precise230.4°, 35.211%, 13.922%
  • HSV230°, 52%, 19%
  • HSB230°, 52%, 19%
  • Normalized R (0.0–1.0)0.090
  • Normalized G (0.0–1.0)0.106
  • Normalized B (0.0–1.0)0.188
  • GLSLvec3(0.090, 0.106, 0.188)
  • GLSL with alphavec4(0.090, 0.106, 0.188, 1.000)
  • HLSL / Metalfloat3(0.090, 0.106, 0.188)
  • Percentage of Red in RGB9%
  • Percentage of Green in RGB10.6%
  • Percentage of Blue in RGB18.8%
  • Color FamilyBlue
  • Saturation FamilyMild Saturation
  • Lightness FamilyDark
  • HEX ID171B30
  • DECIMAL ID1514288
  • Name LengthThis color has no name
  • Seen by search & AI crawlers14 times
  • Counting from2025-01-01