Color

#5657c8

#5657c8
hex#5657c8
rgbrgb(86, 87, 200)
hslhsl(239, 51%, 56%)
oklchoklch(0.519 0.172 278.2)
Closest name: slateblue (#6a5acd)Relative luminance 0.1296

Colors that go with #5657c8

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 →

#c8c656

#5691c8 · #8d56c8

#c85657 · #57c856

Split-complementary

Open in tool →

#c88d56 · #91c856

#c85691 · #c8c656 · #56c88d

Contrast

#5657c8 as textRatioAAAA largeAAAFix
Aaon white
5.84:1passpassfail
  • AAA: use #4648c3 as the text (7.06:1)
Aaon black
3.59:1failpassfail
  • AA: use #696bce as the text (4.59:1)
  • AAA: use #8f91db as the text (7.24:1)
  • AA: or shift the background to #e3e3e3 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5657c8 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

#5657c8 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5657c8
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 #5657c8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5657c8-a09cc4-df964e-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