Color

#2586ef

#2586ef
hex#2586ef
rgbrgb(37, 134, 239)
hslhsl(211, 86%, 54%)
oklchoklch(0.621 0.18 254.3)
Closest name: dodgerblue (#1e90ff)Relative luminance 0.2368

Colors that go with #2586ef

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 →

#ef8d25

#25ebef · #2825ef

#ef2586 · #86ef25

Split-complementary

Open in tool →

#ef2825 · #ebef25

#ef25eb · #ef8d25 · #25ef28

Contrast

#2586ef as textRatioAAAA largeAAAFix
Aaon white
3.66:1failpassfail
  • AA: use #1174df as the text (4.58:1)
  • AAA: use #0c57a6 as the text (7.17:1)
  • AA: or shift the background to #1f1f1f (4.5:1)
Aaon black
5.74:1passpassfail
  • AAA: use #4699f1 as the text (7.09:1)

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

Brands using this color

Palettes built around it

Fonts for this mood

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

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

tool url/palettes/new/2586ef-9cabc4-df534e-1f202d-e9f1f1?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