Color

#3a2ea8

#3a2ea8
hex#3a2ea8
rgbrgb(58, 46, 168)
hslhsl(246, 57%, 42%)
oklchoklch(0.403 0.185 278.5)
Closest name: Bluebell (#333399)Relative luminance 0.0568

Colors that go with #3a2ea8

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 →

#9ca82e

#2e5fa8 · #772ea8

#a83a2e · #2ea83a

Split-complementary

Open in tool →

#a8772e · #5fa82e

#a82e5f · #9ca82e · #2ea877

Contrast

#3a2ea8 as textRatioAAAA largeAAAFix
Aaon white
9.83:1passpasspassPasses AAA — no fix needed.
Aaon black
2.14:1failfailfail
  • AA: use #7267d5 as the text (4.62:1)
  • AAA: use #978fe0 as the text (7.32:1)
  • AA: or shift the background to #b0b0b0 (4.53:1)
  • AAA: or shift the background to #dbdbdb (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 #3a2ea8 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

#3a2ea8 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #3a2ea8
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 #3a2ea8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3a2ea8-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