Color

#675fc4

#675fc4
hex#675fc4
rgbrgb(103, 95, 196)
hslhsl(245, 46%, 57%)
oklchoklch(0.544 0.152 283.7)
Closest name: slateblue (#6a5acd)Relative luminance 0.1505

Colors that go with #675fc4

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 →

#bbc45f

#5f89c4 · #9a5fc4

#c4675f · #5fc467

Split-complementary

Open in tool →

#c49a5f · #89c45f

#c45f89 · #bbc45f · #5fc49a

Contrast

#675fc4 as textRatioAAAA largeAAAFix
Aaon white
5.24:1passpassfail
  • AAA: use #4f45ba as the text (7.26:1)
Aaon black
4.01:1failpassfail
  • AA: use #726ac8 as the text (4.61:1)
  • AAA: use #958fd6 as the text (7.18:1)
  • AA: or shift the background to #f0f0f0 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #675fc4 as the background.

Brands using this color

Fonts for this mood

#675fc4 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #675fc4
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 #675fc4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/675fc4-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