Color

#605ec5

#605ec5
hex#605ec5
rgbrgb(96, 94, 197)
hslhsl(241, 47%, 57%)
oklchoklch(0.537 0.156 280.6)
Closest name: slateblue (#6a5acd)Relative luminance 0.1452

Colors that go with #605ec5

Charcoal, Sea Green and Amber 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 →

#c3c55e

#5e90c5 · #935ec5

#c5605e · #5ec560

Split-complementary

Open in tool →

#c5935e · #90c55e

#c55e90 · #c3c55e · #5ec593

Contrast

#605ec5 as textRatioAAAA largeAAAFix
Aaon white
5.38:1passpassfail
  • AAA: use #4947bd as the text (7.19:1)
Aaon black
3.9:1failpassfail
  • AA: use #6e6dca as the text (4.7:1)
  • AAA: use #908fd6 as the text (7.09:1)
  • AA: or shift the background to #ebebeb (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #605ec5 as the background.

Brands using this color

Fonts for this mood

#605ec5 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #605ec5
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 #605ec5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/605ec5-a19cc4-df9b4e-261f2d-e9edf1?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