Color

#331eae

#331eae
hex#331eae
rgbrgb(51, 30, 174)
hslhsl(249, 71%, 40%)
oklchoklch(0.384 0.208 276.7)
Closest name: Galactic Highway (#3311bb)Relative luminance 0.0469

Colors that go with #331eae

Charcoal, Blue and Cornflower 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 →

#99ae1e

#1e50ae · #7c1eae

#ae331e · #1eae33

Split-complementary

Open in tool →

#ae7c1e · #50ae1e

#ae1e50 · #99ae1e · #1eae7c

Contrast

#331eae as textRatioAAAA largeAAAFix
Aaon white
10.84:1passpasspassPasses AAA — no fix needed.
Aaon black
1.94:1failfailfail
  • AA: use #7662e4 as the text (4.64:1)
  • AAA: use #9889eb as the text (7.11:1)
  • AA: or shift the background to #a8a8a8 (4.56:1)
  • AAA: or shift the background to #d1d1d1 (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #331eae 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

#331eae reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #331eae
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 #331eae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/331eae-a79cc4-dfae4e-271f2d-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