Color

#3a2ea3

#3a2ea3
hex#3a2ea3
rgbrgb(58, 46, 163)
hslhsl(246, 56%, 41%)
oklchoklch(0.398 0.179 279.1)
Closest name: Bluebell (#333399)Relative luminance 0.055

Colors that go with #3a2ea3

Charcoal, Steel 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 →

#97a32e

#2e5da3 · #742ea3

#a33a2e · #2ea33a

Split-complementary

Open in tool →

#a3742e · #5da32e

#a32e5d · #97a32e · #2ea374

Contrast

#3a2ea3 as textRatioAAAA largeAAAFix
Aaon white
10:1passpasspassPasses AAA — no fix needed.
Aaon black
2.1:1failfailfail
  • AA: use #7368d4 as the text (4.66:1)
  • AAA: use #948cde as the text (7.07:1)
  • AA: or shift the background to #b0b0b0 (4.61:1)
  • AAA: or shift the background to #d9d9d9 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #3a2ea3 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

#3a2ea3 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a2ea3
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 #3a2ea3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a2ea3-a59cc4-dfa74e-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