Color

#605bc8

#605bc8
hex#605bc8
rgbrgb(96, 91, 200)
hslhsl(243, 50%, 57%)
oklchoklch(0.534 0.164 281.3)
Closest name: slateblue (#6a5acd)Relative luminance 0.1414

Colors that go with #605bc8

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 →

#c3c85b

#5b8cc8 · #975bc8

#c8605b · #5bc860

Split-complementary

Open in tool →

#c8975b · #8cc85b

#c85b8c · #c3c85b · #5bc897

Contrast

#605bc8 as textRatioAAAA largeAAAFix
Aaon white
5.49:1passpassfail
  • AAA: use #4a44c1 as the text (7.27:1)
Aaon black
3.83:1failpassfail
  • AA: use #6f6acd as the text (4.62:1)
  • AAA: use #9490da as the text (7.26:1)
  • AA: or shift the background to #ebebeb (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #605bc8 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#605bc8 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #605bc8
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 #605bc8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/605bc8-a39cc4-dfa04e-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