Color

#186dec

#186dec
hex#186dec
rgbrgb(24, 109, 236)
hslhsl(216, 85%, 51%)
oklchoklch(0.564 0.207 259.5)
Closest name: Bluetiful (#3c69e7)Relative luminance 0.1719

Colors that go with #186dec

Charcoal, Crimson 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 →

#ec9718

#18d7ec · #2d18ec

#ec186d · #6dec18

Split-complementary

Open in tool →

#ec2d18 · #d7ec18

#ec18d7 · #ec9718 · #18ec2d

Contrast

#186dec as textRatioAAAA largeAAAFix
Aaon white
4.73:1passpassfail
  • AAA: use #0f53b8 as the text (7.12:1)
Aaon black
4.44:1failpassfail
  • AA: use #1d70ed as the text (4.59:1)
  • AAA: use #5a97f2 as the text (7.14:1)
  • AA: or shift the background to #fafafa (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #186dec as the background.

Brands using this color

Fonts for this mood

#186dec reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #186dec
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 #186dec and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/186dec-9ca7c4-df5f4e-201f2d-e9f0f1?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