Color

#603a73

#603a73
hex#603a73
rgbrgb(96, 58, 115)
hslhsl(280, 33%, 34%)
oklchoklch(0.419 0.101 313.5)
Closest name: Heartless (#623b70)Relative luminance 0.0675

Colors that go with #603a73

Charcoal, Sea Green and Crimson 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 →

#4d733a

#443a73 · #733a6a

#73603a · #3a7360

Split-complementary

Open in tool →

#6a733a · #3a7344

#73443a · #4d733a · #3a6a73

Contrast

#603a73 as textRatioAAAA largeAAAFix
Aaon white
8.94:1passpasspassPasses AAA — no fix needed.
Aaon black
2.35:1failfailfail
  • AA: use #9460af as the text (4.55:1)
  • AAA: use #b088c3 as the text (7.16:1)
  • AA: or shift the background to #b8b8b8 (4.5:1)
  • AAA: or shift the background to #e6e6e6 (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #603a73 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 #603a73
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 #603a73 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/603a73-b99fc1-b8cb62-2d1f2c-ebe9f1?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