Information about #645FFB color

#645FFB color image

Basic facts about this digital color

The digital color #645FFB is classified in the Register under the Blue Color Family, with Full Saturation and Very Light brightness. Its exact recipe is rgb(100, 95, 251) — 39.2% red, 37.3% green, 98.4% blue — and for print it converts to CMYK 59 / 61 / 0 / 2. New to color codes? See our guide to RGB color codes.

#645FFB presents itself as a pure, full-strength deep-sea blue — one that has a delicate, washed-out lightness. In practice it works well for airy backdrops, whitespace-heavy designs and gentle gradients. In The Official Register of Color Names it is practically indistinguishable from Light Brilliant Blue (#6565FF). Slightly further away sit Very Light Blue (#6666FF) and Eclipto Space Purple (#7068F9).

The recipe behind #645FFB is rgb(100, 95, 251), with blue as the dominant ingredient. On this background, white text reaches a 4.6:1 contrast ratio (passing WCAG AA); black stays at 4.6:1. Out of 16,777,216 possible colors, #645FFB is still unnamed — it can be claimed and named in The Official Register of Color Names.

#645FFB color variations

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

#645FFB color tints

Tints look brighter, pastel, and less intense.
#645FFB

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#837FFB

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#A29FFC

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#C1BFFD

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#E0DFFE

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White

#FFFFFF

#645FFB color shades

Shades look darker, richer, and more solid.
#645FFB

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#231CF9

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#0B05CA

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#070387

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#030143

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Black

#000000

#645FFB color tones

Tones looks more sophisticated and complex than base colors.
#645FFB

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#635FE9

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#6562D4

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#6B68BB

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#73729F

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Grey

#808080

#645FFB color hues

A hue refers to the basic neighbors of color and is variation of base color on the color wheel.
#FA5FD6

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#E15FFA

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#A35FFA

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#645FFB

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#5F98FA

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#5FD6FA

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#5FFAE1

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#645FFB 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
#645FFB
#645FFB

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#F6FB60
#F6FB60

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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
#645FFB
#645FFB

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#A8FB60
#A8FB60

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#FBB360
#FBB360

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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
#B360FB
#B360FB

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#645FFB
#645FFB

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#60A8FB
#60A8FB

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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
#645FFB
#645FFB

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#FB6560
#FB6560

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#60FB65
#60FB65

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Tetradic

Tetradic color schemes are made form two couples of complementary colors in a rectangular shape on the color wheel.

Tetradic color scheme
#645FFB
#645FFB

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#FB60F6
#FB60F6

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#F6FB60
#F6FB60

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#60FB65
#60FB65

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Square

Square color schemes are like tetradic arranged in a square instead of rectangle. Colors appear even more contrasting.

Square color scheme
#645FFB
#645FFB

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#FB60A8
#FB60A8

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#F6FB60
#F6FB60

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#60FBB3
#60FBB3

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Nearest named colors to #645FFB

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

Light Brilliant Blue color link
Light Brilliant Blue

#6565FF

Very Light Blue color link
Very Light Blue

#6666FF

Eclipto Space Purple color link
Eclipto Space Purple

#7068F9

Blue Lotus color link
Blue Lotus

#6960EC

Light Slate Blue color link
Light Slate Blue

#736AFF

Light Brilliant Persian Blue color link
Light Brilliant Persian Blue

#7865FF

Brilliant Persian Blue color link
Brilliant Persian Blue

#6451E7

Light Brilliant Phthalo Blue color link
Light Brilliant Phthalo Blue

#6578FF

Medium Slate Blue color link
Medium Slate Blue

#7B68EE

Brilliant Phthalo Blue color link
Brilliant Phthalo Blue

#5164E7

Lucent Monster Eye Violet-Blue color link
Lucent Monster Eye Violet-Blue

#7E55F5

Brilliant Blue color link
Brilliant Blue

#5151E7

#645FFB color backgrounds & wallpapers

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

#645FFB color image #645FFB color ORCN HD wallpaper 3840x2160 (Desktop)
#645FFB color image #645FFB color ORCN HD wallpaper 1170x2532 (Mobile)
#645FFB color image #645FFB color solid HD wallpaper 3840x2160 (Desktop)
#645FFB color image #645FFB color solid HD wallpaper 1170x2532 (Mobile)

Conversions between color systems and etc.

  • HEX#645FFB
  • RGB100, 95, 251
  • CMYK59, 61, 0, 2
  • CSSrgb(100, 95, 251)
  • HSL242°, 95%, 68%
  • HSL Precise241.923°, 95.122%, 67.843%
  • HSV242°, 62%, 98%
  • HSB242°, 62%, 98%
  • Normalized R (0.0–1.0)0.392
  • Normalized G (0.0–1.0)0.373
  • Normalized B (0.0–1.0)0.984
  • GLSLvec3(0.392, 0.373, 0.984)
  • GLSL with alphavec4(0.392, 0.373, 0.984, 1.000)
  • HLSL / Metalfloat3(0.392, 0.373, 0.984)
  • Percentage of Red in RGB39.2%
  • Percentage of Green in RGB37.3%
  • Percentage of Blue in RGB98.4%
  • Color FamilyBlue
  • Saturation FamilyFull Saturation
  • Lightness FamilyVery Light
  • HEX ID645FFB
  • DECIMAL ID6578171
  • Name LengthThis color has no name
  • Seen by search & AI crawlers23 times
  • Counting from2025-01-01

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ORCN is an independent private organisation that maintains a public register — not a governmental institution or an international standards organisation — in which a name is linked to a specific digital colour code. Registration gives the registrant the exclusive right, within the ORCN register, to have that name recorded against that colour code.

Important: a digital colour itself belongs to no one in law. That right exists only within the ORCN register: registration creates no ownership, trademark, copyright or design rights anywhere. Legal exclusivity outside the register, where it is available at all, arises separately under applicable trademark law and is generally limited to particular goods, services and jurisdictions.