Color

#671cfd

#671cfd
hex#671cfd
rgbrgb(103, 28, 253)
hslhsl(260, 98%, 55%)
oklchoklch(0.512 0.284 285.3)
Closest name: Electric Indigo (#6600ff)Relative luminance 0.1081

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b2fd1c

#1c41fd · #d71cfd

#fd671c · #1cfd67

Split-complementary

Open in tool →

#fdd71c · #41fd1c

#fd1c41 · #b2fd1c · #1cfdd7

Contrast

#671cfd as textRatioAAAA largeAAAFix
Aaon white
6.64:1passpassfail
  • AAA: use #5d0dfd as the text (7.14:1)
Aaon black
3.16:1failpassfail
  • AA: use #894efd as the text (4.57:1)
  • AAA: use #aa81fe as the text (7.28:1)
  • AA: or shift the background to #d6d6d6 (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 #671cfd 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

#671cfd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #671cfd
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 #671cfd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/671cfd-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