Color

#186ca0

#186ca0
hex#186ca0
rgbrgb(24, 108, 160)
hslhsl(203, 74%, 36%)
oklchoklch(0.51 0.112 242.2)
Closest name: Chill of the Night (#256d8d)Relative luminance 0.1346

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a04c18

#18a090 · #1828a0

#a0186c · #6ca018

Split-complementary

Open in tool →

#a01828 · #a09018

#9018a0 · #a04c18 · #28a018

Contrast

#186ca0 as textRatioAAAA largeAAAFix
Aaon white
5.69:1passpassfail
  • AAA: use #155d8a as the text (7.08:1)
Aaon black
3.69:1failpassfail
  • AA: use #1b7bb6 as the text (4.56:1)
  • AAA: use #339ee1 as the text (7.12:1)
  • AA: or shift the background to #e6e6e6 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #186ca0 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#186ca0 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #186ca0
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 #186ca0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/186ca0-9cb0c4-df4e5d-1f222d-e9f1f0?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