Information about #66819A color

#66819A color image

Basic facts about this digital color

In the Register's classification, #66819A belongs to the Azure Color Family, featuring Low Saturation and Light brightness. The mix behind it: rgb(102, 129, 154) — 40% red, 50.6% green, 60.4% blue; the print equivalent is CMYK 20 / 10 / 0 / 40. Curious how these numbers work? Read our RGB color codes guide.

The color #66819A reads as a calm, restrained steel-blue azure and feels open and friendly. Expect to see shades like this in understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is almost identical to LuLu (#637F95). Its next-closest registered neighbors are Hoki (#65869F) and Greyish Blue (#5E819D).

In RGB terms — rgb(102, 129, 154) — the blue channel does the heavy lifting here. If you plan to put text on a #66819A background, choose black — the contrast ratio is 5.2:1 (passing WCAG AA), while white manages only 4.1:1. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#66819A color variations

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

#66819A 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 #66819A

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

LuLu color link
LuLu

#637F95

Hoki color link
Hoki

#65869F

Greyish Blue color link
Greyish Blue

#5E819D

Tsunami color link
Tsunami

#6B8393

Horizon color link
Horizon

#648894

Escapade color link
Escapade

#667C91

Gothic color link
Gothic

#698890

Slate Gray color link
Slate Gray

#708090

Blue Grey color link
Blue Grey

#607C8E

Steel color link
Steel

#738595

Grey Blue color link
Grey Blue

#6B8BA4

Conversions between color systems and etc.

  • HEX#66819A
  • RGB102, 129, 154
  • CMYK20, 10, 0, 40
  • CSSrgb(102, 129, 154)
  • HSL209°, 20%, 50%
  • HSL Precise208.846°, 20.472%, 50.196%
  • HSV209°, 34%, 60%
  • HSB209°, 34%, 60%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.506
  • Normalized B (0.0–1.0)0.604
  • GLSLvec3(0.400, 0.506, 0.604)
  • GLSL with alphavec4(0.400, 0.506, 0.604, 1.000)
  • HLSL / Metalfloat3(0.400, 0.506, 0.604)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB50.6%
  • Percentage of Blue in RGB60.4%
  • Color FamilyAzure
  • Saturation FamilyLow Saturation
  • Lightness FamilyLight
  • HEX ID66819A
  • DECIMAL ID6717850
  • Name LengthThis color has no name
  • Seen by search & AI crawlers12 times
  • Counting from2025-01-01