Color

#6355ce

#6355ce
hex#6355ce
rgbrgb(99, 85, 206)
hslhsl(247, 55%, 57%)
oklchoklch(0.53 0.18 283.6)
Closest name: slateblue (#6a5acd)Relative luminance 0.1361

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#c0ce55

#5583ce · #9f55ce

#ce6355 · #55ce63

Split-complementary

Open in tool →

#ce9f55 · #83ce55

#ce5583 · #c0ce55 · #55ce9f

Contrast

#6355ce as textRatioAAAA largeAAAFix
Aaon white
5.64:1passpassfail
  • AAA: use #5141c8 as the text (7.14:1)
Aaon black
3.72:1failpassfail
  • AA: use #7265d2 as the text (4.51:1)
  • AAA: use #968cde as the text (7.1:1)
  • AA: or shift the background to #e6e6e6 (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 #6355ce 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

#6355ce reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6355ce
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #6355ce and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6355ce-a59cc4-dfaa4e-271f2d-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