Color

#4063fc

#4063fc
hex#4063fc
rgbrgb(64, 99, 252)
hslhsl(229, 97%, 62%)
oklchoklch(0.57 0.23 268.1)
Closest name: Bluerocratic (#1f66ff)Relative luminance 0.1704

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fcda40

#40c1fc · #7c40fc

#fc4063 · #63fc40

Split-complementary

Open in tool →

#fc7c40 · #c1fc40

#fc40c1 · #fcda40 · #40fc7c

Contrast

#4063fc as textRatioAAAA largeAAAFix
Aaon white
4.76:1passpassfail
  • AAA: use #0e39fb as the text (7.01:1)
Aaon black
4.41:1failpassfail
  • AA: use #4567fc as the text (4.6:1)
  • AAA: use #7790fd as the text (7.19:1)
  • AA: or shift the background to #fafafa (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4063fc 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

#4063fc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4063fc
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 #4063fc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4063fc-9c9fc4-df7e4e-231f2d-e9eef1?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