Color

#3a2f74

#3a2f74
hex#3a2f74
rgbrgb(58, 47, 116)
hslhsl(250, 42%, 32%)
oklchoklch(0.357 0.114 286.4)
Closest name: Her Highness (#432e6f)Relative luminance 0.0419

Colors that go with #3a2f74

Steel Blue, Blue and Charcoal 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 →

#68742f

#2f4674 · #5d2f74

#743b2f · #2f743b

Split-complementary

Open in tool →

#745d2f · #46742f

#742f46 · #68742f · #2f745d

Contrast

#3a2f74 as textRatioAAAA largeAAAFix
Aaon white
11.42:1passpasspassPasses AAA — no fix needed.
Aaon black
1.84:1failfailfail
  • AA: use #796bc2 as the text (4.7:1)
  • AAA: use #9a8fd1 as the text (7.22:1)
  • AA: or shift the background to #a3a3a3 (4.53:1)
  • AAA: or shift the background to #cccccc (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a2f74 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

#3a2f74 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a2f74
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 #3a2f74 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a2f74-a79cc4-dfb14e-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