Color

#185bcd

#185bcd
hex#185bcd
rgbrgb(24, 91, 205)
hslhsl(218, 79%, 45%)
oklchoklch(0.503 0.189 260.7)
Closest name: Denim (#1560bd)Relative luminance 0.1208

Colors that go with #185bcd

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 →

#cd8b18

#18b5cd · #3018cd

#cd185b · #5bcd18

Split-complementary

Open in tool →

#cd3018 · #b5cd18

#cd18b5 · #cd8b18 · #18cd30

Contrast

#185bcd as textRatioAAAA largeAAAFix
Aaon white
6.15:1passpassfail
  • AAA: use #1653bb as the text (7.03:1)
Aaon black
3.42:1failpassfail
  • AA: use #2d71e6 as the text (4.62:1)
  • AAA: use #6496ed as the text (7.13:1)
  • AA: or shift the background to #dedede (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 #185bcd as the background.

Brands using this color

Fonts for this mood

#185bcd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #185bcd
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 #185bcd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/185bcd-9ca6c4-df644e-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