Color

#418e9f

#418e9f
hex#418e9f
rgbrgb(65, 142, 159)
hslhsl(191, 42%, 44%)
oklchoklch(0.605 0.079 214.3)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2297

Colors that go with #418e9f

Charcoal, Copper and Cobalt 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.

Real palettes that use #418e9f

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#9f5241

#419f81 · #415f9f

#9f418e · #8e9f41

Split-complementary

Open in tool →

#9f415f · #9f8141

#81419f · #9f5241 · #5f9f41

Contrast

#418e9f as textRatioAAAA largeAAAFix
Aaon white
3.75:1failpassfail
  • AA: use #3a7e8d as the text (4.62:1)
  • AAA: use #2b5e69 as the text (7.22:1)
  • AA: or shift the background to #1c1c1c (4.54:1)
Aaon black
5.59:1passpassfail
  • AAA: use #4aa1b5 as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #418e9f 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

#418e9f reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #418e9f
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 #418e9f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/418e9f-a2b6be-df4e7a-1f252d-e9f1ef?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