Information about #645B70 color

#645B70 color image

Basic facts about this digital color

The digital color #645B70 is classified in the Register under the Violet Color Family, with Low Saturation and Neutral brightness. In numbers: rgb(100, 91, 112) (39.2% red, 35.7% green, 43.9% blue), or CMYK 5 / 8 / 0 / 56 for print. New to color codes? See our guide to RGB color codes.

The color #645B70 reads as a calm, restrained twilight violet and holds a balanced mid-tone. Designers typically reach for tones like this for understated, calm designs that favor harmony over drama. In The Official Register of Color Names it is practically indistinguishable from Smoky (#605D6B). Its next-closest registered neighbors are Covert (#645977) and Comet (#636373).

In RGB terms — rgb(100, 91, 112) — the blue channel does the heavy lifting here. If you plan to put text on a #645B70 background, choose white — the contrast ratio is 6.4:1 (passing WCAG AA), while black manages only 3.3:1. Like most of the 16.7 million digital colors, this one is still waiting for a name — naming it takes a minute.

#645B70 color variations

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

#645B70 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 #645B70

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

Smoky color link
Smoky

#605D6B

Covert color link
Covert

#645977

Comet color link
Comet

#636373

Mobster color link
Mobster

#605A67

Bloom color link
Bloom

#6F5B6C

Salt Box color link
Salt Box

#696268

Fedora color link
Fedora

#625665

Centaurian color link
Centaurian

#6E5977

Shuttle Grey color link
Shuttle Grey

#61666B

High Society color link
High Society

#695B7C

Conversions between color systems and etc.

  • HEX#645B70
  • RGB100, 91, 112
  • CMYK5, 8, 0, 56
  • CSSrgb(100, 91, 112)
  • HSL266°, 10%, 40%
  • HSL Precise265.714°, 10.345%, 39.804%
  • HSV266°, 19%, 44%
  • HSB266°, 19%, 44%
  • Normalized R (0.0–1.0)0.392
  • Normalized G (0.0–1.0)0.357
  • Normalized B (0.0–1.0)0.439
  • GLSLvec3(0.392, 0.357, 0.439)
  • GLSL with alphavec4(0.392, 0.357, 0.439, 1.000)
  • HLSL / Metalfloat3(0.392, 0.357, 0.439)
  • Percentage of Red in RGB39.2%
  • Percentage of Green in RGB35.7%
  • Percentage of Blue in RGB43.9%
  • Color FamilyViolet
  • Saturation FamilyLow Saturation
  • Lightness FamilyNeutral
  • HEX ID645B70
  • DECIMAL ID6577008
  • Name LengthThis color has no name
  • Seen by search & AI crawlers10 times
  • Counting from2025-01-01