Color

#616eff

#616eff
hex#616eff
rgbrgb(97, 110, 255)
hslhsl(235, 100%, 69%)
oklchoklch(0.609 0.213 274.3)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2091

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fff261

#61bdff · #a361ff

#ff616e · #6eff61

Split-complementary

Open in tool →

#ffa361 · #bdff61

#ff61bd · #fff261 · #61ffa3

Contrast

#616eff as textRatioAAAA largeAAAFix
Aaon white
4.05:1failpassfail
  • AA: use #5260ff as the text (4.69:1)
  • AAA: use #1f31ff as the text (7.14:1)
  • AA: or shift the background to #141414 (4.55:1)
Aaon black
5.18:1passpassfail
  • AAA: use #858fff as the text (7.37:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #616eff 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

#616eff reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #616eff
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 #616eff and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/616eff-9e9cc4-df8d4e-241f2d-e9eef1?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