Color

#603a69

#603a69
hex#603a69
rgbrgb(96, 58, 105)
hslhsl(289, 29%, 32%)
oklchoklch(0.413 0.088 319.8)
Closest name: Heartless (#623b70)Relative luminance 0.0653

Colors that go with #603a69

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 #603a69

Tints & shades

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

Harmonies

Complementary

Open in tool →

#43693a

#493a69 · #693a5a

#69613a · #3a6961

Split-complementary

Open in tool →

#5a693a · #3a6949

#69493a · #43693a · #3a5a69

Contrast

#603a69 as textRatioAAAA largeAAAFix
Aaon white
9.1:1passpasspassPasses AAA — no fix needed.
Aaon black
2.31:1failfailfail
  • AA: use #995ea6 as the text (4.51:1)
  • AAA: use #b489be as the text (7.26:1)
  • AA: or shift the background to #b8b8b8 (4.59:1)
  • AAA: or shift the background to #e3e3e3 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #603a69 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 #603a69
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 #603a69 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/603a69-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