Color

#6491c4

#6491c4
hex#6491c4
rgbrgb(100, 145, 196)
hslhsl(212, 45%, 58%)
oklchoklch(0.645 0.091 252.3)
Closest name: Canadian Tuxedo (#579aca)Relative luminance 0.2695

Colors that go with #6491c4

Charcoal, Copper and Amber 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 →

#c49764

#64c1c4 · #6764c4

#c46491 · #91c464

Split-complementary

Open in tool →

#c46764 · #c1c464

#c464c1 · #c49764 · #64c467

Contrast

#6491c4 as textRatioAAAA largeAAAFix
Aaon white
3.29:1failpassfail
  • AA: use #4579b5 as the text (4.51:1)
  • AAA: use #325985 as the text (7.23:1)
  • AA: or shift the background to #262626 (4.6:1)
Aaon black
6.39:1passpassfail
  • AAA: use #6f99c8 as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6491c4 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

#6491c4 reads as cool, modern. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6491c4
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 #6491c4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6491c4-9caac4-df564e-1f202d-e9f1f1?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