Color

#615eba

#615eba
hex#615eba
rgbrgb(97, 94, 186)
hslhsl(242, 40%, 55%)
oklchoklch(0.531 0.141 282)
Closest name: slateblue (#6a5acd)Relative luminance 0.1409

Colors that go with #615eba

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 →

#b7ba5e

#5e89ba · #8f5eba

#ba615e · #5eba61

Split-complementary

Open in tool →

#ba8f5e · #89ba5e

#ba5e89 · #b7ba5e · #5eba8f

Contrast

#615eba as textRatioAAAA largeAAAFix
Aaon white
5.5:1passpassfail
  • AAA: use #4e4baf as the text (7.12:1)
Aaon black
3.82:1failpassfail
  • AA: use #6f6dc0 as the text (4.62:1)
  • AAA: use #9290d0 as the text (7.12:1)
  • AA: or shift the background to #ebebeb (4.61:1)

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

Brands using this color

Fonts for this mood

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

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

tool url/palettes/new/615eba-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