Color

#186dcd

#186dcd
hex#186dcd
rgbrgb(24, 109, 205)
hslhsl(212, 79%, 45%)
oklchoklch(0.541 0.167 255.5)
Closest name: God of Rain (#4466cc)Relative luminance 0.1554

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#cd7918

#18c7cd · #1e18cd

#cd186d · #6dcd18

Split-complementary

Open in tool →

#cd1e18 · #c7cd18

#cd18c7 · #cd7918 · #18cd1e

Contrast

#186dcd as textRatioAAAA largeAAAFix
Aaon white
5.11:1passpassfail
  • AAA: use #1357a4 as the text (7.17:1)
Aaon black
4.11:1failpassfail
  • AA: use #1a74db as the text (4.56:1)
  • AAA: use #5299eb as the text (7.11:1)
  • AA: or shift the background to #f2f2f2 (4.57:1)

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

Brands using this color

Fonts for this mood

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

mcpConnect your agent — build around #186dcd
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #186dcd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/186dcd-9caac4-df564e-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