Color

#6361b3

#6361b3
hex#6361b3
rgbrgb(99, 97, 179)
hslhsl(241, 35%, 54%)
oklchoklch(0.534 0.126 282.4)
Closest name: Bellflower (#5d66aa)Relative luminance 0.1446

Colors that go with #6361b3

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 →

#b1b361

#6188b3 · #8b61b3

#b36261 · #61b362

Split-complementary

Open in tool →

#b38b61 · #88b361

#b36188 · #b1b361 · #61b38b

Contrast

#6361b3 as textRatioAAAA largeAAAFix
Aaon white
5.4:1passpassfail
  • AAA: use #4f4ea2 as the text (7.13:1)
Aaon black
3.89:1failpassfail
  • AA: use #706eb9 as the text (4.62:1)
  • AAA: use #9291ca as the text (7.13:1)
  • AA: or shift the background to #ebebeb (4.53:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6361b3 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

#6361b3 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6361b3
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 #6361b3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6361b3-a19cc4-df9b4e-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