Color

#4185aa

#4185aa
hex#4185aa
rgbrgb(65, 133, 170)
hslhsl(201, 45%, 46%)
oklchoklch(0.588 0.089 234.9)
Closest name: steelblue (#4682b4)Relative luminance 0.208

Colors that go with #4185aa

Charcoal, Copper and Royal 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 #4185aa

Tints & shades

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

Harmonies

Complementary

Open in tool →

#aa6541

#41aa9a · #4150aa

#aa4185 · #85aa41

Split-complementary

Open in tool →

#aa4150 · #aa9a41

#9a41aa · #aa6541 · #50aa41

Contrast

#4185aa as textRatioAAAA largeAAAFix
Aaon white
4.07:1failpassfail
  • AA: use #3c7c9f as the text (4.59:1)
  • AAA: use #2d5d76 as the text (7.15:1)
  • AA: or shift the background to #141414 (4.53:1)
Aaon black
5.16:1passpassfail
  • AAA: use #5c9ec1 as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4185aa as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#4185aa reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4185aa
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 #4185aa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4185aa-9cb1c4-df4e62-1f222d-e9f1f0?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