Color

#407cfc

#407cfc
hex#407cfc
rgbrgb(64, 124, 252)
hslhsl(221, 97%, 62%)
oklchoklch(0.617 0.201 263)
Closest name: Azure (#007fff)Relative luminance 0.2253

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fcc140

#40dafc · #6340fc

#fc407c · #7cfc40

Split-complementary

Open in tool →

#fc6340 · #dafc40

#fc40da · #fcc140 · #40fc63

Contrast

#407cfc as textRatioAAAA largeAAAFix
Aaon white
3.81:1failpassfail
  • AA: use #276afc as the text (4.61:1)
  • AAA: use #0348dd as the text (7.06:1)
  • AA: or shift the background to #1a1a1a (4.56:1)
Aaon black
5.51:1passpassfail
  • AAA: use #6394fd as the text (7.18:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #407cfc as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#407cfc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #407cfc
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 #407cfc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/407cfc-9ca4c4-df6b4e-211f2d-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