Color

#5f5fbf

#5f5fbf
hex#5f5fbf
rgbrgb(95, 95, 191)
hslhsl(240, 43%, 56%)
oklchoklch(0.534 0.147 280.2)
Closest name: slateblue (#6a5acd)Relative luminance 0.1438

Colors that go with #5f5fbf

Charcoal, Amber and Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bfbf5f

#5f8fbf · #8f5fbf

#bf5f5f · #5fbf5f

Split-complementary

Open in tool →

#bf8f5f · #8fbf5f

#bf5f8f · #bfbf5f · #5fbf8f

Contrast

#5f5fbf as textRatioAAAA largeAAAFix
Aaon white
5.42:1passpassfail
  • AAA: use #4949b6 as the text (7.21:1)
Aaon black
3.88:1failpassfail
  • AA: use #6d6dc5 as the text (4.64:1)
  • AAA: use #9292d3 as the text (7.27:1)
  • AA: or shift the background to #ebebeb (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5f5fbf as the background.

Brands using this color

Fonts for this mood

#5f5fbf reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5f5fbf
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #5f5fbf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5f5fbf-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