Color

#585eca

#585eca
hex#585eca
rgbrgb(88, 94, 202)
hslhsl(237, 52%, 57%)
oklchoklch(0.535 0.165 276.9)
Closest name: slateblue (#6a5acd)Relative luminance 0.1434

Colors that go with #585eca

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 →

#cac558

#5897ca · #8c58ca

#ca585e · #5eca58

Split-complementary

Open in tool →

#ca8c58 · #97ca58

#ca5897 · #cac558 · #58ca8c

Contrast

#585eca as textRatioAAAA largeAAAFix
Aaon white
5.43:1passpassfail
  • AAA: use #4148c3 as the text (7.14:1)
Aaon black
3.87:1failpassfail
  • AA: use #686dcf as the text (4.68:1)
  • AAA: use #8b8fda as the text (7.04:1)
  • AA: or shift the background to #ebebeb (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 #585eca 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

#585eca reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #585eca
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 #585eca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/585eca-9f9cc4-df924e-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