Information about #645B9A color
Basic facts about this digital color
A mildly saturated blue, #645B9A carries an easy, daylight feel. Designers typically reach for tones like this for versatile mid-ground roles, from cards to secondary buttons. In The Official Register of Color Names it is very close to Dark Blue Gray (#666699). Slightly further away sit Scampi (#6F63A0) and Butterfly Bush (#68578C).
Technically, the mix leans on its blue channel (rgb(100, 91, 154)), which gives #645B9A its character. Accessibility-wise, white text works best on #645B9A: 6.0:1 contrast (passing WCAG AA) versus 3.5:1 for black. No one has named #645B9A so far. Register a name for it and it becomes a permanent record.
#645B9A color variations
View this color variations of tints, shades, tones and hues.
#645B9A color tints
Tints look brighter, pastel, and less intense.
#645B9A color shades
Shades look darker, richer, and more solid.
#645B9A color tones
Tones looks more sophisticated and complex than base colors.
#645B9A color hues
A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#645B9A 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.
Split complementary
Split complementary schemes are like complementary but they uses two adiacent colors of the complement. They are more flexible than complementary ones.
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.
Triadic
Triadic color schemes are created by picking three colors equally spaced on the color wheel. They appear quite contrasted and multicolored.
Tetradic
Tetradic color schemes are made form two couples of complementary colors in a rectangular shape on the color wheel.
Square
Square color schemes are like tetradic arranged in a square instead of rectangle. Colors appear even more contrasting.
Alternatives to #645B9A color
View adjacent and very similar colors.
Nearest named colors to #645B9A
The closest officially registered color names in the Register, ordered by similarity — your shade’s neighborhood is already being claimed.
#666699
#6F63A0
#68578C
#606AA1
#734F96
#695D87
#51559B
#545AA7
#614AA8
#536893
#5B6E91
#724AA1
#645B9A color backgrounds & wallpapers
Download color wallpaper / background for your Desktop PC, Tablet or Mobile phone.
Conversions between color systems and etc.
- HEX#645B9A
- RGB100, 91, 154
- CMYK21, 25, 0, 40
- CSSrgb(100, 91, 154)
- HSL249°, 26%, 48%
- HSL Precise248.571°, 25.714%, 48.039%
- HSV249°, 41%, 60%
- HSB249°, 41%, 60%
- Normalized R (0.0–1.0)0.392
- Normalized G (0.0–1.0)0.357
- Normalized B (0.0–1.0)0.604
- GLSLvec3(0.392, 0.357, 0.604)
- GLSL with alphavec4(0.392, 0.357, 0.604, 1.000)
- HLSL / Metalfloat3(0.392, 0.357, 0.604)
- Percentage of Red in RGB39.2%
- Percentage of Green in RGB35.7%
- Percentage of Blue in RGB60.4%
- Color FamilyBlue
- Saturation FamilyMild Saturation
- Lightness FamilyLight
- HEX ID645B9A
- DECIMAL ID6577050
- Name LengthThis color has no name
- Seen by search & AI crawlers20 times
- Counting from2025-01-01



