Color

#5b699a

#5b699a
hex#5b699a
rgbrgb(91, 105, 154)
hslhsl(227, 26%, 48%)
oklchoklch(0.53 0.079 271.3)
Closest name: Bellflower (#5d66aa)Relative luminance 0.1466

Colors that go with #5b699a

Charcoal, Sea Green and Dark Olive Green 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 #5b699a

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9a8c5b

#5b889a · #6d5b9a

#9a5b68 · #689a5b

Split-complementary

Open in tool →

#9a6d5b · #889a5b

#9a5b88 · #9a8c5b · #5b9a6d

Contrast

#5b699a as textRatioAAAA largeAAAFix
Aaon white
5.34:1passpassfail
  • AAA: use #4b5781 as the text (7.05:1)
Aaon black
3.93:1failpassfail
  • AA: use #6573a4 as the text (4.54:1)
  • AAA: use #8b96bb as the text (7.18:1)
  • AA: or shift the background to #ededed (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 #5b699a as the background.

Brands using this color

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

mcpConnect your agent — build around #5b699a
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 #5b699a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b699a-9ca0c4-df7a4e-221f2d-e9eff1?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