Color

#586de4

#586de4
hex#586de4
rgbrgb(88, 109, 228)
hslhsl(231, 72%, 62%)
oklchoklch(0.582 0.181 272.1)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.1861

Colors that go with #586de4

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 →

#e4cf58

#58b3e4 · #8958e4

#e4586d · #6de458

Split-complementary

Open in tool →

#e48958 · #b3e458

#e458b3 · #e4cf58 · #58e489

Contrast

#586de4 as textRatioAAAA largeAAAFix
Aaon white
4.45:1failpassfail
  • AA: use #5469e3 as the text (4.66:1)
  • AAA: use #2843dc as the text (7.18:1)
  • AA: or shift the background to #080808 (4.5:1)
Aaon black
4.72:1passpassfail
  • AAA: use #8090ea as the text (7.1:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #586de4 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

#586de4 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #586de4
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 #586de4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/586de4-9c9ec4-df834e-231f2d-e9eef1?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