Color

#5b648f

#5b648f
hex#5b648f
rgbrgb(91, 100, 143)
hslhsl(230, 22%, 46%)
oklchoklch(0.513 0.069 274.6)
Closest name: Admiral Blue (#50647f)Relative luminance 0.1332

Colors that go with #5b648f

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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8f875b

#5b7e8f · #6d5b8f

#8f5b64 · #648f5b

Split-complementary

Open in tool →

#8f6d5b · #7e8f5b

#8f5b7e · #8f875b · #5b8f6d

Contrast

#5b648f as textRatioAAAA largeAAAFix
Aaon white
5.73:1passpassfail
  • AAA: use #50577c as the text (7.01:1)
Aaon black
3.66:1failpassfail
  • AA: use #6a73a0 as the text (4.57:1)
  • AAA: use #8f96b7 as the text (7.21:1)
  • AA: or shift the background to #e6e6e6 (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 #5b648f 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 #5b648f
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 #5b648f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b648f-9c9ec4-df814e-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