Color

#4a407d

#4a407d
hex#4a407d
rgbrgb(74, 64, 125)
hslhsl(250, 32%, 37%)
oklchoklch(0.412 0.099 288.8)
Closest name: darkslateblue (#483d8b)Relative luminance 0.066

Colors that go with #4a407d

Steel Blue, Blue and Crimson 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 →

#727d40

#40547d · #68407d

#7d4a40 · #407d4a

Split-complementary

Open in tool →

#7d6840 · #547d40

#7d4054 · #727d40 · #407d68

Contrast

#4a407d as textRatioAAAA largeAAAFix
Aaon white
9.05:1passpasspassPasses AAA — no fix needed.
Aaon black
2.32:1failfailfail
  • AA: use #776bb3 as the text (4.54:1)
  • AAA: use #9990c6 as the text (7.16:1)
  • AA: or shift the background to #b8b8b8 (4.56:1)
  • AAA: or shift the background to #e3e3e3 (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 #4a407d as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #4a407d
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 #4a407d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4a407d-a79cc4-dfb14e-281f2d-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