Color

#5643ad

#5643ad
hex#5643ad
rgbrgb(86, 67, 173)
hslhsl(251, 44%, 47%)
oklchoklch(0.463 0.162 286.5)
Closest name: Blueberry (#464196)Relative luminance 0.0901

Colors that go with #5643ad

Charcoal, Sea Green and Steel Blue 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 →

#99ad43

#4365ad · #8b43ad

#ad5643 · #43ad56

Split-complementary

Open in tool →

#ad8b43 · #65ad43

#ad4365 · #99ad43 · #43ad8b

Contrast

#5643ad as textRatioAAAA largeAAAFix
Aaon white
7.49:1passpasspassPasses AAA — no fix needed.
Aaon black
2.8:1failfailfail
  • AA: use #7968c4 as the text (4.59:1)
  • AAA: use #9a8dd3 as the text (7.12:1)
  • AA: or shift the background to #c9c9c9 (4.53:1)
  • AAA: or shift the background to #fafafa (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5643ad as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#5643ad reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5643ad
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 #5643ad and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5643ad-a89cc4-dfb34e-281f2d-e9ecf1?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