Color

#613f69

#613f69
hex#613f69
rgbrgb(97, 63, 105)
hslhsl(289, 25%, 33%)
oklchoklch(0.424 0.079 319.8)
Closest name: Majesty (#673e6e)Relative luminance 0.0712

Colors that go with #613f69

Sea Green, Crimson and Denim 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 #613f69

Tints & shades

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

Harmonies

Complementary

Open in tool →

#47693f

#4c3f69 · #693f5c

#69613f · #3f6961

Split-complementary

Open in tool →

#5c693f · #3f694c

#694c3f · #47693f · #3f5c69

Contrast

#613f69 as textRatioAAAA largeAAAFix
Aaon white
8.67:1passpasspassPasses AAA — no fix needed.
Aaon black
2.42:1failfailfail
  • AA: use #9663a1 as the text (4.6:1)
  • AAA: use #b089b8 as the text (7.12:1)
  • AA: or shift the background to #bdbdbd (4.61:1)
  • AAA: or shift the background to #e8e8e8 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #613f69 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 #613f69
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 #613f69 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/613f69-be9fc1-a8cb62-2d1f2a-ece9f1?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