Color

#685ed4

#685ed4
hex#685ed4
rgbrgb(104, 94, 212)
hslhsl(245, 58%, 60%)
oklchoklch(0.554 0.175 282.9)
Closest name: slateblue (#6a5acd)Relative luminance 0.157

Colors that go with #685ed4

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 →

#cad45e

#5e8fd4 · #a35ed4

#d4685e · #5ed468

Split-complementary

Open in tool →

#d4a35e · #8fd45e

#d45e8f · #cad45e · #5ed4a3

Contrast

#685ed4 as textRatioAAAA largeAAAFix
Aaon white
5.07:1passpassfail
  • AAA: use #4d42cd as the text (7.06:1)
Aaon black
4.14:1failpassfail
  • AA: use #6f66d6 as the text (4.55:1)
  • AAA: use #958ee1 as the text (7.23:1)
  • AA: or shift the background to #f2f2f2 (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #685ed4 as the background.

Brands using this color

Fonts for this mood

#685ed4 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #685ed4
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 #685ed4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/685ed4-a49cc4-dfa54e-261f2d-e9ecf1?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