Color

#409cf2

#409cf2
hex#409cf2
rgbrgb(64, 156, 242)
hslhsl(209, 87%, 60%)
oklchoklch(0.678 0.154 250)
Closest name: Fresh Blue of Bel Air (#069af3)Relative luminance 0.3128

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f29640

#40f2ef · #4043f2

#f2409c · #9cf240

Split-complementary

Open in tool →

#f24043 · #f2ef40

#ef40f2 · #f29640 · #43f240

Contrast

#409cf2 as textRatioAAAA largeAAAFix
Aaon white
2.89:1failfailfail
  • AA: use #0f76d7 as the text (4.57:1)
  • AAA: use #0b59a2 as the text (7.08:1)
  • AA: or shift the background to #303030 (4.56:1)
  • AAA: or shift the background to #050505 (7.04:1)
Aaon black
7.26:1passpasspassPasses 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 #409cf2 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

#409cf2 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #409cf2
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 #409cf2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/409cf2-9cacc4-df4e4e-1f212d-e9f1f1?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