Color

#6499dd

#6499dd
hex#6499dd
rgbrgb(100, 153, 221)
hslhsl(214, 64%, 63%)
oklchoklch(0.675 0.116 255.2)
Closest name: Blue Bay (#619ad6)Relative luminance 0.3071

Colors that go with #6499dd

Charcoal, Peru 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 →

#dda964

#64d5dd · #6c64dd

#dd6499 · #99dd64

Split-complementary

Open in tool →

#dd6c64 · #d5dd64

#dd64d5 · #dda964 · #64dd6c

Contrast

#6499dd as textRatioAAAA largeAAAFix
Aaon white
2.94:1failfailfail
  • AA: use #2e75d1 as the text (4.58:1)
  • AAA: use #22569b as the text (7.31:1)
  • AA: or shift the background to #2e2e2e (4.62:1)
  • AAA: or shift the background to #030303 (7.01:1)
Aaon black
7.14:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6499dd 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

#6499dd reads as cool, vivid, technical. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #6499dd
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 #6499dd and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6499dd-9ca9c4-df5a4e-1f1f2d-e9f0f1?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