Color

#4f75fc

#4f75fc
hex#4f75fc
rgbrgb(79, 117, 252)
hslhsl(227, 97%, 65%)
oklchoklch(0.609 0.205 267.9)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2141

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fcd74f

#4fcbfc · #804ffc

#fc4f75 · #75fc4f

Split-complementary

Open in tool →

#fc804f · #cbfc4f

#fc4fcb · #fcd74f · #4ffc80

Contrast

#4f75fc as textRatioAAAA largeAAAFix
Aaon white
3.98:1failpassfail
  • AA: use #4069fc as the text (4.52:1)
  • AAA: use #0439fb as the text (7.04:1)
  • AA: or shift the background to #171717 (4.51:1)
Aaon black
5.28:1passpassfail
  • AAA: use #7290fd as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4f75fc 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

#4f75fc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4f75fc
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 #4f75fc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4f75fc-9ca0c4-df7a4e-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