Color

#415181

#415181
hex#415181
rgbrgb(65, 81, 129)
hslhsl(225, 33%, 38%)
oklchoklch(0.444 0.082 268.9)
Closest name: Dusk (#4e5481)Relative luminance 0.0859

Colors that go with #415181

Sea Green, Steel Blue 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.

Real palettes that use #415181

Tints & shades

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

Harmonies

Complementary

Open in tool →

#817141

#417181 · #514181

#814151 · #518141

Split-complementary

Open in tool →

#815141 · #718141

#814171 · #817141 · #418151

Contrast

#415181 as textRatioAAAA largeAAAFix
Aaon white
7.72:1passpasspassPasses AAA — no fix needed.
Aaon black
2.72:1failfailfail
  • AA: use #6073af as the text (4.57:1)
  • AAA: use #8594c1 as the text (7:1)
  • AA: or shift the background to #c7c7c7 (4.57:1)
  • AAA: or shift the background to #f5f5f5 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #415181 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 #415181
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 #415181 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/415181-9ca1c4-df754e-221f2d-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