Color

#6340a0

#6340a0
hex#6340a0
rgbrgb(99, 64, 160)
hslhsl(262, 43%, 44%)
oklchoklch(0.461 0.149 297)
Closest name: rebeccapurple (#663399)Relative luminance 0.0886

Colors that go with #6340a0

Charcoal, Royal Blue and 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 →

#7da040

#404da0 · #9440a0

#a06340 · #40a063

Split-complementary

Open in tool →

#a09440 · #4da040

#a0404d · #7da040 · #40a094

Contrast

#6340a0 as textRatioAAAA largeAAAFix
Aaon white
7.58:1passpasspassPasses AAA — no fix needed.
Aaon black
2.77:1failfailfail
  • AA: use #8562c0 as the text (4.51:1)
  • AAA: use #a48ad0 as the text (7.12:1)
  • AA: or shift the background to #c9c9c9 (4.58:1)
  • AAA: or shift the background to #f7f7f7 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6340a0 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

#6340a0 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6340a0
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 #6340a0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6340a0-af9cc4-dfce4e-2a1f2d-e9eaf1?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