Information about #151B5B color

#151B5B color image

Basic facts about this digital color

#151B5B falls into the Blue Color Family — High Saturation, Dark brightness. Its exact recipe is rgb(21, 27, 91) — 8.2% red, 10.6% green, 35.7% blue — and for print it converts to CMYK 27 / 25 / 0 / 64. Curious how these numbers work? Read our RGB color codes guide.

#151B5B is a vivid, lively blue that stays on the darker end of the scale. It is a natural fit for moody backdrops, typography on light surfaces and premium packaging. In The Official Register of Color Names it is practically indistinguishable from Tottenham Navy (#132257). Slightly further away sit Jenniebear Blue (#111154) and Suns Purple (#1D1160).

In RGB terms — rgb(21, 27, 91) — the blue channel does the heavy lifting here. On this background, white text reaches a 15.7:1 contrast ratio (passing WCAG AAA); black stays at 1.3:1. On paper it relies strongly on black ink (K:64), so proof dark layouts before a large print run. #151B5B has no official name yet. If this shade means something to you, you can be the one to name it.

#151B5B color variations

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

#151B5B 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 #151B5B

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

Suns Purple color link
Suns Purple

#1D1160

Downriver color link
Downriver

#092256

OSS Blue color link
OSS Blue

#1B2450

Brewers Blue color link
Brewers Blue

#0A2351

Braves Navy color link
Braves Navy

#13274F

Gulf Blue color link
Gulf Blue

#051657

Blue Zodiac color link
Blue Zodiac

#13264D

Space Cadet color link
Space Cadet

#1D2951

Penn Blue color link
Penn Blue

#011F5B

#151B5B color backgrounds & wallpapers

Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.

Conversions between color systems and etc.

  • HEX#151B5B
  • RGB21, 27, 91
  • CMYK27, 25, 0, 64
  • CSSrgb(21, 27, 91)
  • HSL235°, 63%, 22%
  • HSL Precise234.857°, 62.5%, 21.961%
  • HSV235°, 77%, 36%
  • HSB235°, 77%, 36%
  • Normalized R (0.0–1.0)0.082
  • Normalized G (0.0–1.0)0.106
  • Normalized B (0.0–1.0)0.357
  • GLSLvec3(0.082, 0.106, 0.357)
  • GLSL with alphavec4(0.082, 0.106, 0.357, 1.000)
  • HLSL / Metalfloat3(0.082, 0.106, 0.357)
  • Percentage of Red in RGB8.2%
  • Percentage of Green in RGB10.6%
  • Percentage of Blue in RGB35.7%
  • Color Family (Hue)Blue
  • Saturation FamilyHigh Saturation
  • Lightness FamilyDark
  • HEX ID151B5B
  • DECIMAL ID1383259
  • Name LengthThis color has no name
  • This page visited897 times
  • Counting from2025-01-01