Color

#418b9f

#418b9f
hex#418b9f
rgbrgb(65, 139, 159)
hslhsl(193, 42%, 44%)
oklchoklch(0.598 0.079 218.1)
Closest name: Blue Moon (#3992a8)Relative luminance 0.2209

Colors that go with #418b9f

Charcoal, Copper and Amber 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 #418b9f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9f5541

#419f85 · #415c9f

#9f418b · #8b9f41

Split-complementary

Open in tool →

#9f415c · #9f8541

#85419f · #9f5541 · #5c9f41

Contrast

#418b9f as textRatioAAAA largeAAAFix
Aaon white
3.88:1failpassfail
  • AA: use #3b7e91 as the text (4.59:1)
  • AAA: use #2c5f6d as the text (7.08:1)
  • AA: or shift the background to #171717 (4.63:1)
Aaon black
5.42:1passpassfail
  • AAA: use #4ea0b7 as the text (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 #418b9f 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

#418b9f reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #418b9f
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 #418b9f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/418b9f-a2b5be-df4e75-1f242d-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