Color

#615db1

#615db1
hex#615db1
rgbrgb(97, 93, 177)
hslhsl(243, 35%, 53%)
oklchoklch(0.523 0.129 283.1)
Closest name: Bellflower (#5d66aa)Relative luminance 0.1354

Colors that go with #615db1

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 →

#adb15d

#5d83b1 · #8b5db1

#b1615d · #5db161

Split-complementary

Open in tool →

#b18b5d · #83b15d

#b15d83 · #adb15d · #5db18b

Contrast

#615db1 as textRatioAAAA largeAAAFix
Aaon white
5.66:1passpassfail
  • AAA: use #524ea2 as the text (7.07:1)
Aaon black
3.71:1failpassfail
  • AA: use #726eb9 as the text (4.65:1)
  • AAA: use #9491ca as the text (7.16:1)
  • AA: or shift the background to #e6e6e6 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #615db1 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

#615db1 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #615db1
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 #615db1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/615db1-a39cc4-dfa04e-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