Color

#5658cd

#5658cd
hex#5658cd
rgbrgb(86, 88, 205)
hslhsl(239, 54%, 57%)
oklchoklch(0.525 0.177 277.7)
Closest name: slateblue (#6a5acd)Relative luminance 0.1337

Colors that go with #5658cd

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 →

#cdcb56

#5693cd · #8f56cd

#cd5658 · #58cd56

Split-complementary

Open in tool →

#cd8f56 · #93cd56

#cd5693 · #cdcb56 · #56cd8f

Contrast

#5658cd as textRatioAAAA largeAAAFix
Aaon white
5.72:1passpassfail
  • AAA: use #4345c7 as the text (7.21:1)
Aaon black
3.67:1failpassfail
  • AA: use #6a6cd2 as the text (4.69:1)
  • AAA: use #8d8edd as the text (7.05:1)
  • AA: or shift the background to #e6e6e6 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5658cd 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

#5658cd reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #5658cd
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 #5658cd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5658cd-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