Color

#4f4fbf

#4f4fbf
hex#4f4fbf
rgbrgb(79, 79, 191)
hslhsl(240, 47%, 53%)
oklchoklch(0.493 0.171 278.1)
Closest name: Blurple (#5539cc)Relative luminance 0.1102

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bfbf4f

#4f87bf · #874fbf

#bf4f4f · #4fbf4f

Split-complementary

Open in tool →

#bf874f · #87bf4f

#bf4f87 · #bfbf4f · #4fbf87

Contrast

#4f4fbf as textRatioAAAA largeAAAFix
Aaon white
6.56:1passpassfail
  • AAA: use #4747bd as the text (7.23:1)
Aaon black
3.2:1failpassfail
  • AA: use #6d6dca as the text (4.69:1)
  • AAA: use #8f8fd6 as the text (7.07:1)
  • AA: or shift the background to #d6d6d6 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #4f4fbf 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

#4f4fbf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #4f4fbf
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 #4f4fbf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/4f4fbf-a19cc4-df994e-251f2d-e9edf1?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