Color

#586fd5

#586fd5
hex#586fd5
rgbrgb(88, 111, 213)
hslhsl(229, 60%, 59%)
oklchoklch(0.575 0.158 271.1)
Closest name: Royal Blue (#4169e1)Relative luminance 0.1825

Colors that go with #586fd5

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 →

#d5be58

#58add5 · #7f58d5

#d5586f · #6fd558

Split-complementary

Open in tool →

#d57f58 · #add558

#d558ad · #d5be58 · #58d57f

Contrast

#586fd5 as textRatioAAAA largeAAAFix
Aaon white
4.52:1passpassfail
  • AAA: use #314cc4 as the text (7.09:1)
Aaon black
4.65:1passpassfail
  • AAA: use #8192df as the text (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #586fd5 as the background.

Brands using this color

Fonts for this mood

#586fd5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #586fd5
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 #586fd5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/586fd5-9c9fc4-df7e4e-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