Information about #666998 color

#666998 color image

Basic facts about this digital color

#666998 falls into the Blue Color Family — Low Saturation, Light brightness. Its exact recipe is rgb(102, 105, 152) — 40% red, 41.2% green, 59.6% blue — and for print it converts to CMYK 20 / 18 / 0 / 40. Curious how these numbers work? Read our RGB color codes guide.

The color #666998 reads as a gently muted classic blue and sits on the lighter side of the spectrum. Expect to see shades like this in balanced palettes where no single element should shout. In The Official Register of Color Names it is a hair away from Dark Blue Gray (#666699). Nearby in the Register you will also find Deloras (#606AA1) and Scampi (#6F63A0).

Technically, the mix leans on its blue channel (rgb(102, 105, 152)), which gives #666998 its character. On this background, white text reaches a 5.2:1 contrast ratio (passing WCAG AA); black stays at 4.0:1. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#666998 color variations

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

#666998 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 #666998

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

Deloras color link
Deloras

#606AA1

Scampi color link
Scampi

#6F63A0

Waikawa Grey color link
Waikawa Grey

#5B6E91

Panorama color link
Panorama

#597499

Kashmir Blue color link
Kashmir Blue

#576D8E

Elevate color link
Elevate

#60768B

Breakwater color link
Breakwater

#536893

Escapade color link
Escapade

#667C91

Kimberly color link
Kimberly

#695D87

Waratah color link
Waratah

#55698B

Conversions between color systems and etc.

  • HEX#666998
  • RGB102, 105, 152
  • CMYK20, 18, 0, 40
  • CSSrgb(102, 105, 152)
  • HSL236°, 20%, 50%
  • HSL Precise236.4°, 19.685%, 49.804%
  • HSV236°, 33%, 60%
  • HSB236°, 33%, 60%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.412
  • Normalized B (0.0–1.0)0.596
  • GLSLvec3(0.400, 0.412, 0.596)
  • GLSL with alphavec4(0.400, 0.412, 0.596, 1.000)
  • HLSL / Metalfloat3(0.400, 0.412, 0.596)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB41.2%
  • Percentage of Blue in RGB59.6%
  • Color FamilyBlue
  • Saturation FamilyLow Saturation
  • Lightness FamilyLight
  • HEX ID666998
  • DECIMAL ID6711704
  • Name LengthThis color has no name
  • Seen by search & AI crawlers15 times
  • Counting from2025-01-01