Information about #666AB7 color

#666AB7 color image

Basic facts about this digital color

In the Register's classification, #666AB7 belongs to the Blue Color Family, featuring Mild Saturation and Light brightness. The mix behind it: rgb(102, 106, 183) — 40% red, 41.6% green, 71.8% blue; the print equivalent is CMYK 32 / 30 / 0 / 28. Curious how these numbers work? Read our RGB color codes guide.

#666AB7 is a mildly saturated classic blue that carries an easy, daylight feel. It is a natural fit for versatile mid-ground roles, from cards to secondary buttons. In The Official Register of Color Names it is a hair away from Chetwode Blue (#666FB4). Slightly further away sit Blue Marguerite (#6A5BB1) and Toolbox (#746CC0).

Technically, the mix leans on its blue channel (rgb(102, 106, 183)), which gives #666AB7 its character. Accessibility-wise, white text works best on #666AB7: 4.9:1 contrast (passing WCAG AA) versus 4.3:1 for black. No one has named #666AB7 so far. Register a name for it and it becomes a permanent record.

#666AB7 color variations

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

#666AB7 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 #666AB7

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

Toolbox color link
Toolbox

#746CC0

Anchor color link
Anchor

#526DB2

Deluge color link
Deluge

#7563A8

Deloras color link
Deloras

#606AA1

Glaucous color link
Glaucous

#6082B6

Scampi color link
Scampi

#6F63A0

Slate Blue color link
Slate Blue

#6A5ACD

Conversions between color systems and etc.

  • HEX#666AB7
  • RGB102, 106, 183
  • CMYK32, 30, 0, 28
  • CSSrgb(102, 106, 183)
  • HSL237°, 36%, 56%
  • HSL Precise237.037°, 36%, 55.882%
  • HSV237°, 44%, 72%
  • HSB237°, 44%, 72%
  • Normalized R (0.0–1.0)0.400
  • Normalized G (0.0–1.0)0.416
  • Normalized B (0.0–1.0)0.718
  • GLSLvec3(0.400, 0.416, 0.718)
  • GLSL with alphavec4(0.400, 0.416, 0.718, 1.000)
  • HLSL / Metalfloat3(0.400, 0.416, 0.718)
  • Percentage of Red in RGB40%
  • Percentage of Green in RGB41.6%
  • Percentage of Blue in RGB71.8%
  • Color FamilyBlue
  • Saturation FamilyMild Saturation
  • Lightness FamilyLight
  • HEX ID666AB7
  • DECIMAL ID6711991
  • Name LengthThis color has no name
  • Seen by search & AI crawlers17 times
  • Counting from2025-01-01