Color

#584dd1

#584dd1
hex#584dd1
rgbrgb(88, 77, 209)
hslhsl(245, 59%, 56%)
oklchoklch(0.51 0.196 280.7)
Closest name: Blurple (#5539cc)Relative luminance 0.1199

Colors that go with #584dd1

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 →

#c6d14d

#4d84d1 · #9a4dd1

#d1584d · #4dd158

Split-complementary

Open in tool →

#d19a4d · #84d14d

#d14d84 · #c6d14d · #4dd19a

Contrast

#584dd1 as textRatioAAAA largeAAAFix
Aaon white
6.18:1passpassfail
  • AAA: use #4c40ce as the text (7.16:1)
Aaon black
3.4:1failpassfail
  • AA: use #6e65d7 as the text (4.51:1)
  • AAA: use #948de2 as the text (7.17:1)
  • AA: or shift the background to #dedede (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #584dd1 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

#584dd1 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #584dd1
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 #584dd1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/584dd1-a49cc4-dfa54e-261f2d-e9ecf1?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