Color

#815ace

#815ace
hex#815ace
rgbrgb(129, 90, 206)
hslhsl(260, 54%, 58%)
oklchoklch(0.565 0.173 295.9)
Closest name: slateblue (#6a5acd)Relative luminance 0.1644

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a7ce5a

#5a6dce · #ba5ace

#ce815a · #5ace81

Split-complementary

Open in tool →

#ceba5a · #6dce5a

#ce5a6d · #a7ce5a · #5aceba

Contrast

#815ace as textRatioAAAA largeAAAFix
Aaon white
4.9:1passpassfail
  • AAA: use #6639c0 as the text (7.21:1)
Aaon black
4.29:1failpassfail
  • AA: use #8762d0 as the text (4.69:1)
  • AAA: use #a589dc as the text (7.21:1)
  • AA: or shift the background to #f7f7f7 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #815ace 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

#815ace reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #815ace
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 #815ace and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/815ace-ae9cc4-dfc94e-2a1f2d-e9ebf1?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