Color

#436bef

#436bef
hex#436bef
rgbrgb(67, 107, 239)
hslhsl(226, 84%, 60%)
oklchoklch(0.575 0.204 267)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1794

Tints & shades

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

Harmonies

Complementary

Open in tool →

#efc743

#43c1ef · #7143ef

#ef436b · #6bef43

Split-complementary

Open in tool →

#ef7143 · #c1ef43

#ef43c1 · #efc743 · #43ef71

Contrast

#436bef as textRatioAAAA largeAAAFix
Aaon white
4.58:1passpassfail
  • AAA: use #1444e1 as the text (7.13:1)
Aaon black
4.59:1passpassfail
  • AAA: use #7794f3 as the text (7.31:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #436bef 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

#436bef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #436bef
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 #436bef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/436bef-9ca1c4-df774e-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