Color

#5864bb

#5864bb
hex#5864bb
rgbrgb(88, 100, 187)
hslhsl(233, 42%, 54%)
oklchoklch(0.536 0.136 275)
Closest name: Bellflower (#5d66aa)Relative luminance 0.1478

Colors that go with #5864bb

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 →

#bbaf58

#5895bb · #7e58bb

#bb5864 · #64bb58

Split-complementary

Open in tool →

#bb7e58 · #95bb58

#bb5895 · #bbaf58 · #58bb7e

Contrast

#5864bb as textRatioAAAA largeAAAFix
Aaon white
5.31:1passpassfail
  • AAA: use #4450a7 as the text (7.12:1)
Aaon black
3.96:1failpassfail
  • AA: use #636ebf as the text (4.51:1)
  • AAA: use #8b93d0 as the text (7.18:1)
  • AA: or shift the background to #ededed (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5864bb 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

#5864bb reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5864bb
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 #5864bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5864bb-9c9cc4-df884e-241f2d-e9eef1?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