Color

#186ddc

#186ddc
hex#186ddc
rgbrgb(24, 109, 220)
hslhsl(214, 80%, 48%)
oklchoklch(0.552 0.187 257.8)
Closest name: royalblue (#4169e1)Relative luminance 0.163

Tints & shades

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

Harmonies

Complementary

Open in tool →

#dc8718

#18cfdc · #2618dc

#dc186d · #6ddc18

Split-complementary

Open in tool →

#dc2618 · #cfdc18

#dc18cf · #dc8718 · #18dc26

Contrast

#186ddc as textRatioAAAA largeAAAFix
Aaon white
4.93:1passpassfail
  • AAA: use #1354aa as the text (7.3:1)
Aaon black
4.26:1failpassfail
  • AA: use #1972e6 as the text (4.59:1)
  • AAA: use #5597ec as the text (7.02:1)
  • AA: or shift the background to #f5f5f5 (4.52:1)

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

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/186ddc-9ca9c4-df5a4e-1f1f2d-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