Color

#615dc0

#615dc0
hex#615dc0
rgbrgb(97, 93, 192)
hslhsl(242, 44%, 56%)
oklchoklch(0.533 0.15 281.8)
Closest name: slateblue (#6a5acd)Relative luminance 0.1418

Colors that go with #615dc0

Charcoal, Amber and 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 →

#bdc05d

#5d8cc0 · #925dc0

#c0615d · #5dc061

Split-complementary

Open in tool →

#c0925d · #8cc05d

#c05d8c · #bdc05d · #5dc092

Contrast

#615dc0 as textRatioAAAA largeAAAFix
Aaon white
5.48:1passpassfail
  • AAA: use #4b47b8 as the text (7.26:1)
Aaon black
3.84:1failpassfail
  • AA: use #6f6cc6 as the text (4.64:1)
  • AAA: use #9391d4 as the text (7.24:1)
  • AA: or shift the background to #ebebeb (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #615dc0 as the background.

Brands using this color

Fonts for this mood

#615dc0 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #615dc0
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 #615dc0 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/615dc0-a29cc4-df9e4e-261f2d-e9edf1?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