Color

#40346a

#40346a
hex#40346a
rgbrgb(64, 52, 106)
hslhsl(253, 34%, 31%)
oklchoklch(0.366 0.091 291.5)
Closest name: Her Highness (#432e6f)Relative luminance 0.0459

Colors that go with #40346a

Steel Blue, Blue and Blush Pink 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 →

#5e6a34

#34436a · #5b346a

#6a4034 · #346a40

Split-complementary

Open in tool →

#6a5b34 · #436a34

#6a3443 · #5e6a34 · #346a5b

Contrast

#40346a as textRatioAAAA largeAAAFix
Aaon white
10.95:1passpasspassPasses AAA — no fix needed.
Aaon black
1.92:1failfailfail
  • AA: use #7969b5 as the text (4.5:1)
  • AAA: use #9b8ec7 as the text (7.09:1)
  • AA: or shift the background to #a8a8a8 (4.61:1)
  • AAA: or shift the background to #cfcfcf (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #40346a 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 #40346a
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 #40346a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/40346a-a99cc4-dfb84e-281f2d-e9ebf1?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