Color

#6313aa

#6313aa
hex#6313aa
rgbrgb(99, 19, 170)
hslhsl(272, 80%, 37%)
oklchoklch(0.42 0.21 300.5)
Closest name: Fuchsia Nebula (#7722aa)Relative luminance 0.0602

Colors that go with #6313aa

Olive Green, Charcoal and Teal 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 →

#59aa13

#1813aa · #aa13a5

#aa6313 · #13aa63

Split-complementary

Open in tool →

#a5aa13 · #13aa18

#aa1813 · #59aa13 · #13a5aa

Contrast

#6313aa as textRatioAAAA largeAAAFix
Aaon white
9.53:1passpasspassPasses AAA — no fix needed.
Aaon black
2.2:1failfailfail
  • AA: use #9e47eb as the text (4.55:1)
  • AAA: use #b97af0 as the text (7.1:1)
  • AA: or shift the background to #b3b3b3 (4.54:1)
  • AAA: or shift the background to #dedede (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6313aa 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

#6313aa reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6313aa
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 #6313aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6313aa-b69cc4-c5cb62-2d1f2d-eae9f1?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