Color

#2586cb

#2586cb
hex#2586cb
rgbrgb(37, 134, 203)
hslhsl(205, 69%, 47%)
oklchoklch(0.599 0.136 245.1)
Closest name: steelblue (#4682b4)Relative luminance 0.2176

Colors that go with #2586cb

Charcoal, Crimson and Copper 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 →

#cb6a25

#25cbbd · #2533cb

#cb2586 · #86cb25

Split-complementary

Open in tool →

#cb2533 · #cbbd25

#bd25cb · #cb6a25 · #33cb25

Contrast

#2586cb as textRatioAAAA largeAAAFix
Aaon white
3.92:1failpassfail
  • AA: use #227ab9 as the text (4.61:1)
  • AAA: use #195b8a as the text (7.23:1)
  • AA: or shift the background to #171717 (4.57:1)
Aaon black
5.35:1passpassfail
  • AAA: use #419cdc as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2586cb as the background.

Brands using this color

Fonts for this mood

#2586cb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2586cb
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 #2586cb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2586cb-9cafc4-df4e58-1f212d-e9f1f0?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