Color

#5f55be

#5f55be
hex#5f55be
rgbrgb(95, 85, 190)
hslhsl(246, 45%, 54%)
oklchoklch(0.515 0.159 283.6)
Closest name: slateblue (#6a5acd)Relative luminance 0.1265

Colors that go with #5f55be

Charcoal, Sea Green and Amber 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 →

#b4be55

#557fbe · #9455be

#be5f55 · #55be5f

Split-complementary

Open in tool →

#be9455 · #7fbe55

#be557f · #b4be55 · #55be94

Contrast

#5f55be as textRatioAAAA largeAAAFix
Aaon white
5.95:1passpassfail
  • AAA: use #5246b9 as the text (7.15:1)
Aaon black
3.53:1failpassfail
  • AA: use #746bc7 as the text (4.67:1)
  • AAA: use #9790d5 as the text (7.27:1)
  • AA: or shift the background to #e0e0e0 (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 #5f55be 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

#5f55be reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5f55be
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 #5f55be and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5f55be-a59cc4-dfa74e-271f2d-e9ecf1?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