Color

#870fcc

#870fcc
hex#870fcc
rgbrgb(135, 15, 204)
hslhsl(278, 86%, 43%)
oklchoklch(0.495 0.248 306.6)
Closest name: Lilac Spring (#8822cc)Relative luminance 0.0985

Tints & shades

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

Harmonies

Complementary

Open in tool →

#55cc0f

#280fcc · #cc0fb3

#cc870f · #0fcc87

Split-complementary

Open in tool →

#b3cc0f · #0fcc28

#cc280f · #55cc0f · #0fb3cc

Contrast

#870fcc as textRatioAAAA largeAAAFix
Aaon white
7.07:1passpasspassPasses AAA — no fix needed.
Aaon black
2.97:1failfailfail
  • AA: use #ac38f0 as the text (4.58:1)
  • AAA: use #c471f4 as the text (7.02:1)
  • AA: or shift the background to #cfcfcf (4.54:1)
  • AAA: or shift the background to #ffffff (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #870fcc 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

#870fcc reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #870fcc
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 #870fcc and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/870fcc-ba9cc4-bbcb62-2d1f2c-ebe9f1?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