Color

#6990ab

#6990ab
hex#6990ab
rgbrgb(105, 144, 171)
hslhsl(205, 28%, 54%)
oklchoklch(0.635 0.059 239.1)
Closest name: Cavolo Nero (#72939e)Relative luminance 0.2589

Colors that go with #6990ab

Charcoal, Copper and Cobalt 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.

Real palettes that use #6990ab

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ab8469

#69aba5 · #696eab

#ab698f · #8fab69

Split-complementary

Open in tool →

#ab696e · #aba569

#a569ab · #ab8469 · #6eab69

Contrast

#6990ab as textRatioAAAA largeAAAFix
Aaon white
3.4:1failpassfail
  • AA: use #547b96 as the text (4.52:1)
  • AAA: use #3e5b6f as the text (7.17:1)
  • AA: or shift the background to #242424 (4.57:1)
Aaon black
6.18:1passpassfail
  • AAA: use #799bb4 as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6990ab 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 #6990ab
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 #6990ab and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6990ab-9cafc4-df4e58-1f212d-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