Color

#413d9e

#413d9e
hex#413d9e
rgbrgb(65, 61, 158)
hslhsl(242, 44%, 43%)
oklchoklch(0.423 0.153 279.5)
Closest name: Blueberry (#464196)Relative luminance 0.0693

Colors that go with #413d9e

Charcoal, Sea Green and Steel 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 →

#9b9e3d

#3d6a9e · #713d9e

#9e413d · #3d9e41

Split-complementary

Open in tool →

#9e713d · #6a9e3d

#9e3d6a · #9b9e3d · #3d9e71

Contrast

#413d9e as textRatioAAAA largeAAAFix
Aaon white
8.8:1passpasspassPasses AAA — no fix needed.
Aaon black
2.39:1failfailfail
  • AA: use #6f6cc6 as the text (4.64:1)
  • AAA: use #9391d4 as the text (7.24:1)
  • AA: or shift the background to #bababa (4.53:1)
  • AAA: or shift the background to #e6e6e6 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #413d9e 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

#413d9e reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #413d9e
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 #413d9e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/413d9e-a29cc4-df9e4e-261f2d-e9edf1?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