Color

#6143a8

#6143a8
hex#6143a8
rgbrgb(97, 67, 168)
hslhsl(258, 43%, 46%)
oklchoklch(0.47 0.155 293.2)
Closest name: rebeccapurple (#663399)Relative luminance 0.0938

Colors that go with #6143a8

Charcoal, Royal Blue and Sea Green 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 →

#89a843

#4357a8 · #9443a8

#a86143 · #43a861

Split-complementary

Open in tool →

#a89443 · #57a843

#a84357 · #89a843 · #43a894

Contrast

#6143a8 as textRatioAAAA largeAAAFix
Aaon white
7.3:1passpasspassPasses AAA — no fix needed.
Aaon black
2.88:1failfailfail
  • AA: use #8166c2 as the text (4.61:1)
  • AAA: use #9f8ad0 as the text (7.02:1)
  • AA: or shift the background to #cccccc (4.55:1)
  • AAA: or shift the background to #fcfcfc (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6143a8 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

#6143a8 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6143a8
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 #6143a8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6143a8-ad9cc4-dfc44e-291f2d-e9ebf1?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