Color

#5b4b7c

#5b4b7c
hex#5b4b7c
rgbrgb(91, 75, 124)
hslhsl(260, 25%, 39%)
oklchoklch(0.45 0.08 298.1)
Closest name: Freshly Purpleized (#5c5083)Relative luminance 0.0871

Colors that go with #5b4b7c

Sea Green, Steel Blue and Teal 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 #5b4b7c

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6c7c4b

#4b537c · #744b7c

#7c5b4b · #4b7c5b

Split-complementary

Open in tool →

#7c744b · #537c4b

#7c4b53 · #6c7c4b · #4b7c74

Contrast

#5b4b7c as textRatioAAAA largeAAAFix
Aaon white
7.66:1passpasspassPasses AAA — no fix needed.
Aaon black
2.74:1failfailfail
  • AA: use #806ca7 as the text (4.62:1)
  • AAA: use #9e8fbc as the text (7.11:1)
  • AA: or shift the background to #c7c7c7 (4.53:1)
  • AAA: or shift the background to #f5f5f5 (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #5b4b7c 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 #5b4b7c
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 #5b4b7c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/5b4b7c-ae9cc4-dfc94e-2a1f2d-e9ebf1?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