Color

#616df5

#616df5
hex#616df5
rgbrgb(97, 109, 245)
hslhsl(235, 88%, 67%)
oklchoklch(0.599 0.201 274.8)
Closest name: Blue Öyster Cult (#5577ee)Relative luminance 0.2007

Colors that go with #616df5

Blue, Crimson and Deep Sky Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f5e961

#61b7f5 · #9f61f5

#f5616d · #6df561

Split-complementary

Open in tool →

#f59f61 · #b7f561

#f561b7 · #f5e961 · #61f59f

Contrast

#616df5 as textRatioAAAA largeAAAFix
Aaon white
4.19:1failpassfail
  • AA: use #5764f4 as the text (4.63:1)
  • AAA: use #2738f1 as the text (7.19:1)
  • AA: or shift the background to #0f0f0f (4.58:1)
Aaon black
5.01:1passpassfail
  • AAA: use #828cf7 as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #616df5 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

#616df5 reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #616df5
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #616df5 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/616df5-9e9cc4-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