Color

#415c9b

#415c9b
hex#415c9b
rgbrgb(65, 92, 155)
hslhsl(222, 41%, 43%)
oklchoklch(0.484 0.107 265.2)
Closest name: Blasphemous Blue (#3356aa)Relative luminance 0.1114

Colors that go with #415c9b

Charcoal, Sea Green 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 #415c9b

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9b8041

#41899b · #53419b

#9b415c · #5c9b41

Split-complementary

Open in tool →

#9b5341 · #899b41

#9b4189 · #9b8041 · #419b53

Contrast

#415c9b as textRatioAAAA largeAAAFix
Aaon white
6.5:1passpassfail
  • AAA: use #3e5793 as the text (7.02:1)
Aaon black
3.23:1failpassfail
  • AA: use #5673b8 as the text (4.54:1)
  • AAA: use #8197ca as the text (7.21:1)
  • AA: or shift the background to #d9d9d9 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #415c9b 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

#415c9b reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #415c9b
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 #415c9b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/415c9b-9ca3c4-df6e4e-211f2d-e9eff1?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