Color

#651aef

#651aef
hex#651aef
rgbrgb(101, 26, 239)
hslhsl(261, 87%, 52%)
oklchoklch(0.495 0.271 286.8)
Closest name: Electric Indigo (#6600ff)Relative luminance 0.0974

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a5ef1a

#1a3aef · #cf1aef

#ef651a · #1aef65

Split-complementary

Open in tool →

#efcf1a · #3aef1a

#ef1a3a · #a5ef1a · #1aefcf

Contrast

#651aef as textRatioAAAA largeAAAFix
Aaon white
7.12:1passpasspassPasses AAA — no fix needed.
Aaon black
2.95:1failfailfail
  • AA: use #8b53f3 as the text (4.63:1)
  • AAA: use #ab83f6 as the text (7.31:1)
  • AA: or shift the background to #cfcfcf (4.57:1)
  • AAA: or shift the background to #ffffff (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #651aef 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

#651aef reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #651aef
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 #651aef and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/651aef-af9cc4-dfcb4e-2a1f2d-e9eaf1?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