Color

#5a56cd

#5a56cd
hex#5a56cd
rgbrgb(90, 86, 205)
hslhsl(242, 54%, 57%)
oklchoklch(0.524 0.179 279.8)
Closest name: slateblue (#6a5acd)Relative luminance 0.1324

Colors that go with #5a56cd

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 →

#c9cd56

#568dcd · #9556cd

#cd5a56 · #56cd5a

Split-complementary

Open in tool →

#cd9556 · #8dcd56

#cd568d · #c9cd56 · #56cd95

Contrast

#5a56cd as textRatioAAAA largeAAAFix
Aaon white
5.76:1passpassfail
  • AAA: use #4743c7 as the text (7.25:1)
Aaon black
3.65:1failpassfail
  • AA: use #6d6ad2 as the text (4.64:1)
  • AAA: use #908ddd as the text (7.04:1)
  • AA: or shift the background to #e6e6e6 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5a56cd 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

#5a56cd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5a56cd
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 #5a56cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5a56cd-a29cc4-df9e4e-261f2d-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