Color

#413d8a

#413d8a
hex#413d8a
rgbrgb(65, 61, 138)
hslhsl(243, 39%, 39%)
oklchoklch(0.408 0.124 281.7)
Closest name: darkslateblue (#483d8b)Relative luminance 0.063

Colors that go with #413d8a

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 →

#868a3d

#3d608a · #673d8a

#8a413d · #3d8a41

Split-complementary

Open in tool →

#8a673d · #608a3d

#8a3d60 · #868a3d · #3d8a67

Contrast

#413d8a as textRatioAAAA largeAAAFix
Aaon white
9.3:1passpasspassPasses AAA — no fix needed.
Aaon black
2.26:1failfailfail
  • AA: use #726ebf as the text (4.7:1)
  • AAA: use #9491cf as the text (7.21:1)
  • AA: or shift the background to #b5b5b5 (4.53:1)
  • AAA: or shift the background to #e0e0e0 (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #413d8a 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

#413d8a reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #413d8a
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 #413d8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/413d8a-a39cc4-dfa04e-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