Color

#1687bb

#1687bb
hex#1687bb
rgbrgb(22, 135, 187)
hslhsl(199, 79%, 41%)
oklchoklch(0.59 0.121 235.9)
Closest name: steelblue (#4682b4)Relative luminance 0.2109

Colors that go with #1687bb

Charcoal, Crimson and Royal Blue 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 →

#bb4a16

#16bb9d · #1634bb

#bb1687 · #87bb16

Split-complementary

Open in tool →

#bb1634 · #bb9d16

#9d16bb · #bb4a16 · #34bb16

Contrast

#1687bb as textRatioAAAA largeAAAFix
Aaon white
4.03:1failpassfail
  • AA: use #147dad as the text (4.6:1)
  • AAA: use #105f84 as the text (7.02:1)
  • AA: or shift the background to #141414 (4.58:1)
Aaon black
5.22:1passpassfail
  • AAA: use #1aa1e0 as the text (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1687bb 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

#1687bb reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1687bb
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 #1687bb and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1687bb-9cb3c4-df4e66-1f232d-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