Color

#407d5d

#407d5d
hex#407d5d
rgbrgb(64, 125, 93)
hslhsl(149, 32%, 37%)
oklchoklch(0.539 0.082 159)
Closest name: Amazon (#387b54)Relative luminance 0.1655

Colors that go with #407d5d

Charcoal, Medium Violet Red 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 →

#7d405f

#417d40 · #407d7c

#5d407d · #7d5d40

Split-complementary

Open in tool →

#7c407d · #7d4041

#40417d · #7d405f · #7d7c40

Contrast

#407d5d as textRatioAAAA largeAAAFix
Aaon white
4.87:1passpassfail
  • AAA: use #326249 as the text (7.05:1)
Aaon black
4.31:1failpassfail
  • AA: use #448362 as the text (4.67:1)
  • AAA: use #55a57c as the text (7.06:1)
  • AA: or shift the background to #f7f7f7 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #407d5d 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 #407d5d
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 #407d5d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/407d5d-a2beb3-d459d4-1f2d2c-e9f1e9?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