Color

#436ff4

#436ff4
hex#436ff4
rgbrgb(67, 111, 244)
hslhsl(225, 89%, 61%)
oklchoklch(0.587 0.205 266.2)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1909

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f4c843

#43c8f4 · #6f43f4

#f4436f · #6ff443

Split-complementary

Open in tool →

#f46f43 · #c8f443

#f443c8 · #f4c843 · #43f46f

Contrast

#436ff4 as textRatioAAAA largeAAAFix
Aaon white
4.36:1failpassfail
  • AA: use #3e6cf4 as the text (4.51:1)
  • AAA: use #0d44e7 as the text (7:1)
  • AA: or shift the background to #0a0a0a (4.54:1)
Aaon black
4.82:1passpassfail
  • AAA: use #7394f7 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 #436ff4 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

#436ff4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #436ff4
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 #436ff4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/436ff4-9ca1c4-df754e-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