Information about #151B5A color

#151B5A color image

Basic facts about this digital color

In the Register's classification, #151B5A belongs to the Blue Color Family, featuring High Saturation and Dark brightness. In numbers: rgb(21, 27, 90) (8.2% red, 10.6% green, 35.3% blue), or CMYK 27 / 25 / 0 / 65 for print. New to color codes? See our guide to RGB color codes.

#151B5A presents itself as a strongly colored deep-sea blue — one that leans clearly toward the dark side. In practice it works well for night-mode interfaces and high-contrast pairings with light text. In The Official Register of Color Names it is almost identical to Tottenham Navy (#132257). Its next-closest registered neighbors are Jenniebear Blue (#111154) and Suns Purple (#1D1160).

The recipe behind #151B5A is rgb(21, 27, 90), with blue as the dominant ingredient. If you plan to put text on a #151B5A background, choose white — the contrast ratio is 15.7:1 (passing WCAG AAA), while black manages only 1.3:1. For print, note the heavy black component (K:65) — ink coverage matters with tones this deep. No one has named #151B5A so far. Register a name for it and it becomes a permanent record.

#151B5A color variations

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

#151B5A 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 #151B5A

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

#151B5A color backgrounds & wallpapers

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

Conversions between color systems and etc.

  • HEX#151B5A
  • RGB21, 27, 90
  • CMYK27, 25, 0, 65
  • CSSrgb(21, 27, 90)
  • HSL235°, 62%, 22%
  • HSL Precise234.783°, 62.162%, 21.765%
  • HSV235°, 77%, 35%
  • HSB235°, 77%, 35%
  • Normalized R (0.0–1.0)0.082
  • Normalized G (0.0–1.0)0.106
  • Normalized B (0.0–1.0)0.353
  • GLSLvec3(0.082, 0.106, 0.353)
  • GLSL with alphavec4(0.082, 0.106, 0.353, 1.000)
  • HLSL / Metalfloat3(0.082, 0.106, 0.353)
  • Percentage of Red in RGB8.2%
  • Percentage of Green in RGB10.6%
  • Percentage of Blue in RGB35.3%
  • Color Family (Hue)Blue
  • Saturation FamilyHigh Saturation
  • Lightness FamilyDark
  • HEX ID151B5A
  • DECIMAL ID1383258
  • Name LengthThis color has no name
  • This page visited6 times
  • Counting from2025-01-01