Color

#409eba

#409eba
hex#409eba
rgbrgb(64, 158, 186)
hslhsl(194, 49%, 49%)
oklchoklch(0.655 0.096 220.9)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2909

Colors that go with #409eba

Charcoal, Amber and Copper 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ba5c40

#40ba9a · #4060ba

#ba409e · #9eba40

Split-complementary

Open in tool →

#ba4060 · #ba9a40

#9a40ba · #ba5c40 · #60ba40

Contrast

#409eba as textRatioAAAA largeAAAFix
Aaon white
3.08:1failpassfail
  • AA: use #337d94 as the text (4.66:1)
  • AAA: use #265d6e as the text (7.31:1)
  • AA: or shift the background to #2b2b2b (4.6:1)
Aaon black
6.82:1passpassfail
  • AAA: use #41a1be as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #409eba 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

#409eba reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #409eba
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 #409eba and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/409eba-9cb6c4-df4e72-1f242d-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