Color

#5b628b

#5b628b
hex#5b628b
rgbrgb(91, 98, 139)
hslhsl(231, 21%, 45%)
oklchoklch(0.507 0.066 276.3)
Closest name: Admiral Blue (#50647f)Relative luminance 0.1282

Colors that go with #5b628b

Charcoal, Sea Green 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 →

#8b845b

#5b7a8b · #6c5b8b

#8b5b62 · #628b5b

Split-complementary

Open in tool →

#8b6c5b · #7a8b5b

#8b5b7a · #8b845b · #5b8b6c

Contrast

#5b628b as textRatioAAAA largeAAAFix
Aaon white
5.89:1passpassfail
Aaon black
3.56:1failpassfail
  • AA: use #6b739e as the text (4.57:1)
  • AAA: use #9096b6 as the text (7.22:1)
  • AA: or shift the background to #e3e3e3 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b628b 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 #5b628b
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 #5b628b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b628b-9c9ec4-df834e-231f2d-e9eef1?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