Color

#899ca4

#899ca4
hex#899ca4
rgbrgb(137, 156, 164)
hslhsl(198, 13%, 59%)
oklchoklch(0.68 0.025 225)
Closest name: Blank Stare (#8b9cac)Relative luminance 0.3178

Colors that go with #899ca4

Charcoal, Blush Pink and Burlywood 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.

Real palettes that use #899ca4

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a49189

#89a49f · #898ea4

#a4899c · #9ca489

Split-complementary

Open in tool →

#a4898e · #a49f89

#9f89a4 · #a49189 · #8ea489

Contrast

#899ca4 as textRatioAAAA largeAAAFix
Aaon white
2.86:1failfailfail
  • AA: use #647982 as the text (4.57:1)
  • AAA: use #4b5b62 as the text (7.07:1)
  • AA: or shift the background to #303030 (4.62:1)
  • AAA: or shift the background to #080808 (7.01:1)
Aaon black
7.36:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #899ca4 as the background.

Brands using this color

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

Palettes built around it

mcpConnect your agent — build around #899ca4
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 #899ca4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/899ca4-9cb3c4-df4e69-1f232d-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