Color

#6584ec

#6584ec
hex#6584ec
rgbrgb(101, 132, 236)
hslhsl(226, 78%, 66%)
oklchoklch(0.64 0.159 269.1)
Closest name: Pan Purple (#657aef)Relative luminance 0.2533

Colors that go with #6584ec

Charcoal, Medium Sea Green and Orange Red lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#eccc65

#65c8ec · #8965ec

#ec6584 · #84ec65

Split-complementary

Open in tool →

#ec8965 · #c8ec65

#ec65c8 · #eccc65 · #65ec89

Contrast

#6584ec as textRatioAAAA largeAAAFix
Aaon white
3.46:1failpassfail
  • AA: use #456be8 as the text (4.64:1)
  • AAA: use #1b47da as the text (7.09:1)
  • AA: or shift the background to #212121 (4.65:1)
Aaon black
6.07:1passpassfail
  • AAA: use #7793ee as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6584ec as the background.

Brands using this color

Fonts for this mood

#6584ec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6584ec
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #6584ec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6584ec-9ca1c4-df774e-221f2d-e9eff1?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md