Information about #645ACE color

#645ACE color image

Basic facts about this digital color

In the Register's classification, #645ACE belongs to the Blue Color Family, featuring Moderate Saturation and Light brightness. The mix behind it: rgb(100, 90, 206) — 39.2% red, 35.3% green, 80.8% blue; the print equivalent is CMYK 42 / 45 / 0 / 19. New to color codes? See our guide to RGB color codes.

The color #645ACE reads as a pleasantly vivid blue and sits on the lighter side of the spectrum. 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 almost identical to Slate Blue (#6A5ACD). Nearby in the Register you will also find Dark Periwinkle (#665FD1) and Light Indigo (#6D5ACF).

Technically, the mix leans on its blue channel (rgb(100, 90, 206)), which gives #645ACE its character. If you plan to put text on a #645ACE background, choose white — the contrast ratio is 5.4:1 (passing WCAG AA), while black manages only 3.9:1. Out of 16,777,216 possible colors, #645ACE is still unnamed — it can be claimed and named in The Official Register of Color Names.

#645ACE color variations

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

#645ACE 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 #645ACE

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

#645ACE color backgrounds & wallpapers

Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.

Conversions between color systems and etc.

  • HEX#645ACE
  • RGB100, 90, 206
  • CMYK42, 45, 0, 19
  • CSSrgb(100, 90, 206)
  • HSL245°, 54%, 58%
  • HSL Precise245.172°, 54.206%, 58.039%
  • HSV245°, 56%, 81%
  • HSB245°, 56%, 81%
  • Normalized R (0.0–1.0)0.392
  • Normalized G (0.0–1.0)0.353
  • Normalized B (0.0–1.0)0.808
  • GLSLvec3(0.392, 0.353, 0.808)
  • GLSL with alphavec4(0.392, 0.353, 0.808, 1.000)
  • HLSL / Metalfloat3(0.392, 0.353, 0.808)
  • Percentage of Red in RGB39.2%
  • Percentage of Green in RGB35.3%
  • Percentage of Blue in RGB80.8%
  • Color Family (Hue)Blue
  • Saturation FamilyModerate Saturation
  • Lightness FamilyLight
  • HEX ID645ACE
  • DECIMAL ID6576846
  • Name LengthThis color has no name
  • This page visited6 times
  • Counting from2025-01-01