Color

#409fbf

#409fbf
hex#409fbf
rgbrgb(64, 159, 191)
hslhsl(195, 50%, 50%)
oklchoklch(0.66 0.1 223.8)
Closest name: Blue Ocean (#009dc4)Relative luminance 0.2965

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bf6040

#40bf9f · #4060bf

#bf409f · #9fbf40

Split-complementary

Open in tool →

#bf4060 · #bf9f40

#9f40bf · #bf6040 · #60bf40

Contrast

#409fbf as textRatioAAAA largeAAAFix
Aaon white
3.03:1failpassfail
  • AA: use #327c95 as the text (4.72:1)
  • AAA: use #255c6f as the text (7.4:1)
  • AA: or shift the background to #2b2b2b (4.67:1)
Aaon black
6.93:1passpassfail
  • AAA: use #44a1c1 as the text (7.11:1)

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

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

mcpConnect your agent — build around #409fbf
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #409fbf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/409fbf-9cb5c4-df4e70-1f242d-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