Color

#2186de

#2186de
hex#2186de
rgbrgb(33, 134, 222)
hslhsl(208, 74%, 50%)
oklchoklch(0.61 0.16 250.3)
Closest name: Blue Jay (#5588dd)Relative luminance 0.2265

Colors that go with #2186de

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 →

#de7921

#21ded8 · #2127de

#de2186 · #86de21

Split-complementary

Open in tool →

#de2127 · #ded821

#d821de · #de7921 · #27de21

Contrast

#2186de as textRatioAAAA largeAAAFix
Aaon white
3.8:1failpassfail
  • AA: use #1e78c8 as the text (4.59:1)
  • AAA: use #175b97 as the text (7.05:1)
  • AA: or shift the background to #1a1a1a (4.58:1)
Aaon black
5.53:1passpassfail
  • AAA: use #499ce4 as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2186de as the background.

Brands using this color

Fonts for this mood

#2186de reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2186de
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 #2186de and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2186de-9cadc4-df4e51-1f212d-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