Information about #63668B color

#63668B color image

Basic facts about this digital color

In the Register's classification, #63668B belongs to the Blue Color Family, featuring Low Saturation and Light brightness. In numbers: rgb(99, 102, 139) (38.8% red, 40% green, 54.5% blue), or CMYK 16 / 15 / 0 / 45 for print. Curious how these numbers work? Read our RGB color codes guide.

A softly toned classic blue, #63668B feels open and friendly. Expect to see shades like this in versatile mid-ground roles, from cards to secondary buttons. In The Official Register of Color Names it is practically indistinguishable from Sunset-stone-equanimity-natalie (#656A88). Its next-closest registered neighbors are Kingfisher Blue (#596A8B) and Kimberly (#695D87).

Technically, the mix leans on its blue channel (rgb(99, 102, 139)), which gives #63668B its character. Accessibility-wise, white text works best on #63668B: 5.5:1 contrast (passing WCAG AA) versus 3.8:1 for black. #63668B has no official name yet. If this shade means something to you, you can be the one to name it.

#63668B color variations

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

#63668B 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 #63668B

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

Conversions between color systems and etc.

  • HEX#63668B
  • RGB99, 102, 139
  • CMYK16, 15, 0, 45
  • CSSrgb(99, 102, 139)
  • HSL236°, 17%, 47%
  • HSL Precise235.5°, 16.807%, 46.667%
  • HSV236°, 29%, 55%
  • HSB236°, 29%, 55%
  • Normalized R (0.0–1.0)0.388
  • Normalized G (0.0–1.0)0.400
  • Normalized B (0.0–1.0)0.545
  • GLSLvec3(0.388, 0.400, 0.545)
  • GLSL with alphavec4(0.388, 0.400, 0.545, 1.000)
  • HLSL / Metalfloat3(0.388, 0.400, 0.545)
  • Percentage of Red in RGB38.8%
  • Percentage of Green in RGB40%
  • Percentage of Blue in RGB54.5%
  • Color FamilyBlue
  • Saturation FamilyLow Saturation
  • Lightness FamilyLight
  • HEX ID63668B
  • DECIMAL ID6514315
  • Name LengthThis color has no name
  • Seen by search & AI crawlers312 times
  • Counting from2025-01-01