Color

#675ecf

#675ecf
hex#675ecf
rgbrgb(103, 94, 207)
hslhsl(245, 54%, 59%)
oklchoklch(0.55 0.169 282.9)
Closest name: slateblue (#6a5acd)Relative luminance 0.1539

Colors that go with #675ecf

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 →

#c5cf5e

#5e8dcf · #a05ecf

#cf675e · #5ecf67

Split-complementary

Open in tool →

#cfa05e · #8dcf5e

#cf5e8d · #c5cf5e · #5ecfa0

Contrast

#675ecf as textRatioAAAA largeAAAFix
Aaon white
5.15:1passpassfail
  • AAA: use #4e43c7 as the text (7.12:1)
Aaon black
4.08:1failpassfail
  • AA: use #726ad2 as the text (4.71:1)
  • AAA: use #948ddd as the text (7.11:1)
  • AA: or shift the background to #f0f0f0 (4.52:1)

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

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

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

tool url/palettes/new/675ecf-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