Color

#409fce

#409fce
hex#409fce
rgbrgb(64, 159, 206)
hslhsl(200, 59%, 53%)
oklchoklch(0.666 0.112 233.7)
Closest name: Blue Burst (#309cd0)Relative luminance 0.3034

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ce7040

#40ceb6 · #4058ce

#ce409f · #9fce40

Split-complementary

Open in tool →

#ce4058 · #ceb640

#b640ce · #ce7040 · #58ce40

Contrast

#409fce as textRatioAAAA largeAAAFix
Aaon white
2.97:1failfailfail
  • AA: use #2b7da6 as the text (4.58:1)
  • AAA: use #205f7e as the text (7:1)
  • AA: or shift the background to #2e2e2e (4.57:1)
  • AAA: or shift the background to #000000 (7.07:1)
Aaon black
7.07:1passpasspassPasses AAA — no fix needed.

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

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

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

tool url/palettes/new/409fce-9cb2c4-df4e64-1f232d-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