Color

#413a88

#413a88
hex#413a88
rgbrgb(65, 58, 136)
hslhsl(245, 40%, 38%)
oklchoklch(0.4 0.126 283.2)
Closest name: darkslateblue (#483d8b)Relative luminance 0.0593

Colors that go with #413a88

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 →

#81883a

#3a5a88 · #673a88

#88413a · #3a8841

Split-complementary

Open in tool →

#88673a · #5a883a

#883a5a · #81883a · #3a8867

Contrast

#413a88 as textRatioAAAA largeAAAFix
Aaon white
9.61:1passpasspassPasses AAA — no fix needed.
Aaon black
2.19:1failfailfail
  • AA: use #746dc0 as the text (4.69:1)
  • AAA: use #9690d0 as the text (7.2:1)
  • AA: or shift the background to #b3b3b3 (4.58:1)
  • AAA: or shift the background to #dedede (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #413a88 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

#413a88 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #413a88
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 #413a88 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/413a88-a49cc4-dfa54e-261f2d-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